Kick off your day the Keys way with a relaxed morning double-dip in the Florida Keys National Marine Sanctuary with Sea Dwellers Dive Center. There is no need to rush—we will get you out to two of Key Largo's best spots and back in time for lunch. Depending on where the conditions look best, we will enjoy a mellow drift along the bustling coral walls of Molasses Reef, glide through the quiet arches of French Reef, or hang out at the iconic Christ of the Abyss statue. It is a perfect morning for easy critter-spotting, from sleepy nurse sharks to cruising sea turtles. Your tanks and weights are all set and included on the boat—just bring your gear, your physical or digital C-card, and your love for the salt life.

Spend your afternoon exploring the underwater landscapes of the Florida Keys National Marine Sanctuary with Sea Dwellers Dive Center. Visit two dive sites on one outing, with possible destinations including the coral formations of Molasses Reef and the iconic Christ of the Abyss statue. Each site offers a different perspective on Key Largo’s underwater world, from vibrant reef life to memorable underwater landmarks. Tanks and weights are included, and certified divers must present a physical or digital certification card at check-in. Professional PADI guides help make the experience safe, enjoyable, and mindful of the marine environment.

Sea Dwellers Dive Center offers half-day snorkeling tours in Key Largo, Florida. Check-in begins at 7:30 AM, and departures are at 8:30 AM daily. These trips visit shallow coral reef systems within the Florida Keys National Marine Sanctuary and John Pennekamp State Park. Snorkelers often observe sea turtles, parrotfish, and eagle rays. The price is $80 per person and includes a mask, fins, snorkel, and safety vest. Bubble watchers may join for $60. All participants entering the water must possess swimming proficiency. The minimum passenger age is 2 years old. Each trip features two locations with 65 minutes of water time per site. Multi-trip discounts are available for those looking to explore more of the sanctuary over several days.

Our snorkeling trips are shared experiences with both snorkelers and certified SCUBA divers aboard the same vessel. Depending on the day’s conditions and scheduled dive sites, we may travel up to six miles offshore to explore open-ocean reefs in water approximately 15–25 feet deep.

Because these are mixed trips, the experience may be different from a snorkeling-only excursion. We want you to feel comfortable, confident, and excited about your time on the water. If you have questions or specific expectations for your trip, please call our dive center team before booking. We will be happy to discuss the experience with you and help ensure it is the right fit for your vacation and in-water adventure plans.

Sea Dwellers Dive Center offers afternoon half-day snorkeling tours in Key Largo, Florida. Check-in begins at 12:00pm and trip departure at 1:00pm, later in the day for a more relaxed start.

These trips explore shallow coral reef systems within the Florida Keys National Marine Sanctuary and John Pennekamp Coral Reef State Park, offering frequent sightings of sea turtles, parrotfish, and eagle rays.

Each afternoon tour visits two reef locations, with approximately 65 minutes of water time per site. All participants entering the water must have basic swimming proficiency.

Pricing is $80 per person, which includes mask, fins, snorkel, and a safety vest. “Bubble watchers” (non-snorkeling passengers) are welcome at $60 per person. Multi-trip discounts are available for guests who want to explore more of the sanctuary over several days.

Our snorkeling trips are shared experiences with both snorkelers and certified SCUBA divers aboard the same vessel. Depending on the day’s conditions and scheduled dive sites, we may travel up to six miles offshore to explore open-ocean reefs in water approximately 15–25 feet deep.



Because these are mixed trips, the experience may be different from a snorkeling-only excursion. We want you to feel comfortable, confident, and excited about your time on the water. If you have questions or specific expectations for your trip, please call our dive center team before booking. We will be happy to discuss the experience with you and help ensure it is the right fit for your holiday and in-water adventure plans

Trade an ordinary dive day for a Halloween adventure on the waters of Key Largo. This special trip combines a deep wreck dive at Spiegel Grove for advanced divers, a shallow reef stop, and a final shallow reef or wreck dive where the whole group can get in the water together.

Not planning to do the deep dive? You can choose which of the first two locations to dive, then join the group for the final stop. Between dives, enjoy Halloween festivities on deck with music, snacks, and plenty of spooky spirit. Costumes are highly encouraged, and divers who want to explore all three locations can add the third dive when booking. Bring your best costume and get ready for a Halloween dive day with a little extra adventure.

Discover a more stable, streamlined, and intuitive way to dive. The Avelo Essentials course introduces certified divers to the Avelo System through focused classroom instruction and two open-water training dives.

Designed around individualized learning and measurable performance, the course helps you become comfortable with the system while building greater awareness, control, and confidence underwater.

Course Includes

• Avelo eLearning—approximately 1–2 hours
• Avelo equipment rental
• Technical classroom training
• Two-tank training trip at two dive location - Instructor-led open-water training dives
• Digital Avelo certification

Personal Equipment Required

The following items are not included:

• Mask
• Snorkel
• Fins
• Wetsuit

Rental options are available. Please contact Sea Dwellers Dive Center before your course if you need personal equipment.

The Avelo Training Experience

Avelo training is built around a simple idea: when a system is stable by design, divers can learn more efficiently, move more naturally, and remain fully present throughout the dive. The Avelo System supports you while you develop your skills, allowing you to focus on awareness, movement, breathing, and control instead of constantly managing your equipment. Your instructor will review your progress after each dive using performance-based observations and measurable data. This individualized feedback helps you understand what is working, identify areas for improvement, and apply what you learned to your next dive. Certified divers begin with a two-dive orientation that adds the Avelo System to their existing certification. Many divers feel the difference immediately—and by the second dive, they begin to understand just how different diving can feel.

Why Dive Avelo?

• Stable Buoyancy: Remain comfortably balanced without constant adjustment. Water-based buoyancy remains stable throughout depth changes, making control feel more natural and less demanding.
• Natural Movement: Move through the water with less effort. The lightweight, low-drag design allows your body to glide more freely while keeping bulky equipment out of the way.

Personalized Feedback

Receive feedback based on your individual performance. Your instructor will help you recognize progress, refine your technique, and develop greater confidence with the system.

Greater Awareness

Experience responsive information without unnecessary distraction. Avelo Mode supports awareness during the dive, while Avelo Edge provides useful post-dive insights—helping every dive inform the next.

Ready to experience the difference? Join Sea Dwellers Dive Center in Key Largo for your Avelo Essentials Certification.

If it’s been a while since your last dive, our Key Largo scuba refresher course is the perfect way to regain your skills and confidence in a safe, supportive environment. This scuba refresher course in Key Largo includes a morning pool session with a certified instructor followed by a guided scuba diving trip in the Florida Keys featuring two afternoon boat dives. With all rental gear included, eLearning provided, and personalized instruction from a boutique dive center, you’ll be fully prepared to enjoy the best of Key Largo scuba diving again. Reserve your all-inclusive refresher course today for $250 and get back to diving with confidence.

Experience the magic of twilight beneath the surface with our guided Twilight Dive in Key Largo. Available every Monday, Wednesday, and Friday, these special evening dives begin approximately 1.5 hours before sunset, allowing divers to witness the reef as it transitions from day to night. A professional dive guide is included with every trip, helping you spot unique marine life and navigate the changing underwater environment.

Departure times vary throughout the year based on sunset, and our dive shop will contact you with your exact check-in and departure time. Most trips depart around 6:30 PM. Twilight

Ease back into Key Largo scuba diving with our focused scuba refresher course in Key Largo, designed for divers who want to rebuild confidence before heading out on open water. This Florida Keys scuba refresher course includes a guided morning pool session with a certified instructor, full rental gear, and eLearning to review essential skills at your own pace. As a boutique experience, you’ll enjoy personalized instruction in a relaxed environment, making it the ideal way to prepare for your next dive. Book your pool-only refresher today for $130 and get ready to dive with confidence again.

Experience the fun of underwater with our Discover Scuba Diving in Key Largo program—perfect for beginners with no prior experience. This Key Largo scuba diving experience includes a morning pool session with a certified instructor to learn the basics, followed by an afternoon boat trip with two guided scuba dives in the Florida Keys. With all rental gear included and personalized instruction from a boutique dive center, this is the safest and most exciting way to explore Key Largo scuba diving for beginners. Book your all-inclusive DSD experience today for $250 and discover a whole new world beneath the surface.

Already completed your Discover Scuba Diving in Key Largo session and not ready to stop exploring yet? This additional DSD scuba diving trip in the Florida Keys lets recent DSD students enjoy more time underwater without repeating classroom or pool training. You’ll join a guided Key Largo scuba diving boat trip for two additional open water dives with a certified instructor, building confidence and extending your first diving experience. All gear is included, and this program is designed exclusively for recent DSD participants to safely continue their journey into scuba diving in Key Largo. Reserve your additional dives today for $200 per trip and get back in the water while the experience is still fresh.

Start your underwater journey with our PADI Open Water scuba certification in Key Largo, the most popular entry-level certification for new divers worldwide. This scuba certification course in the Florida Keys is a 2-day, all-inclusive program featuring 2 pool training sessions, 2 guided boat dive trips, full rental gear, instructor-led training, and PADI eLearning. At Sea Dwellers Dive Center, you’ll learn in small groups with experienced instructors in a boutique, safety-focused environment designed for confidence and success. Begin your adventure into Key Largo scuba diving today and earn your certification for $700—book your course and get certified to explore the ocean anywhere in the world.

Complete your PADI Open Water scuba certification in Key Largo with our flexible training option for students who have already purchased or completed their eLearning. This scuba certification course in the Florida Keys includes 2 pool training sessions, 2 guided boat dives, full rental gear, and expert instruction from our certified dive professionals. Designed for efficiency without sacrificing safety or quality, this Key Largo scuba diving certification course lets you focus on hands-on training in a boutique, small-group environment. Get certified and start your underwater adventure today for $575 and explore the world of scuba diving in Key Largo with confidence.

If you’ve completed your Discover Scuba Diving in Key Largo experience and are ready to take the next step, our DSD to PADI Open Water upgrade in the Florida Keys makes it easy to become a fully certified diver. This program bridges your existing skills into full certification with additional training, open water dives, and instructor-led support designed to help you succeed at your own pace. At Sea Dwellers Dive Center, our boutique approach ensures personalized attention in small groups so you can master each skill comfortably in a supportive environment. Continue your journey in Key Largo scuba diving, complete your certification, and unlock diving anywhere in the world—book your upgrade today for $460 and finish what you started with confidence.

Take your skills further with the PADI Advanced Open Water course in Key Largo, designed for certified divers ready to gain confidence, experience, and specialty skills. This advanced scuba diving certification in the Florida Keys includes 5 adventure dives—2 required dives in Deep Diving and Underwater Navigation, plus 3 elective dives customized to your interests. Choose from specialties like Peak Performance Buoyancy, Wreck Diving, Night Diving, Drift Diving, Search and Recovery, Digital Underwater Imaging, and more. With eLearning included and expert instruction from a boutique dive center in Key Largo, this course delivers hands-on training in real ocean conditions across world-class dive sites. Complete your Key Largo scuba diving advanced certification in just 2 days for $585 and build the skills to dive anywhere with confidence.

Enhance your Key Largo scuba diving experience with the PADI Enriched Air Nitrox course, the most popular specialty certification for certified divers. This Nitrox scuba diving course in the Florida Keys teaches you how to safely dive with enriched air, allowing for longer bottom times and shorter surface intervals on repetitive dives. At Sea Dwellers Dive Center, you’ll complete a focused classroom session with expert instruction, plus receive a complimentary Nitrox tank to use on a fun dive after certification. Whether taken alone or added to another course, this is one of the easiest ways to upgrade your Florida Keys scuba diving experience and maximize your time underwater. Get certified for $225 standalone, or add it to another course for $180 and dive smarter in Key Largo.

Prepare for advanced scuba training with the Emergency First Response (EFR) course in Key Largo, a required certification for divers pursuing the PADI Rescue Diver course. This Emergency First Aid and CPR certification in the Florida Keys is a dry, classroom-based program designed to teach essential primary and secondary care skills, including CPR, injury response, and emergency management in real-world scenarios. At Sea Dwellers Dive Center, our boutique training approach ensures personalized instruction so you can confidently progress toward higher levels of Key Largo scuba diving certification. Complete your EFR training today for $250 and take the next step toward becoming a safer, more capable diver.

Please call us directly at (305)451-3640 for more booking information!

Take your diving abilities to the next level with the PADI Rescue Diver course in Key Largo, one of the most rewarding certifications in the diving progression. This advanced scuba training course in the Florida Keys focuses on prevention, awareness, and diver safety while building real-world problem-solving skills underwater. The program includes 2 confined water sessions and 2 open water training dives conducted at world-class Key Largo scuba diving sites, all led by experienced instructors in a boutique training environment. Designed to challenge and elevate your skills, this course is the key step toward becoming a more responsible and confident diver. Complete your Rescue Diver certification in Key Largo for $455 and take your diving skills to a professional level.

Please call us directly at (305)451-3640 for more booking information!

Complete your PADI Open Water certification in the Florida Keys with our Open Water Referral Diver program in Key Largo. Designed for students who have already completed their classroom and pool training, this program includes the required open water checkout dives under the supervision of a certified instructor. You'll explore beautiful reef sites within the Florida Keys National Marine Sanctuary while demonstrating the skills needed to earn your certification. With personalized instruction from a boutique dive center and access to some of Key Largo’s most famous dive locations, this is the perfect way to finish your scuba training and become a certified diver. Book your referral dives today and take the final step toward underwater adventure.

Complete your PADI Open Water certification with a single Open Water Referral checkout dive session in Key Largo. This experience is designed for student divers who have already finished their classroom learning and confined water (pool) training and are ready to complete their required open water dives with a certified PADI Instructor.

During your session, you'll dive on the stunning reefs of the Florida Keys National Marine Sanctuary while demonstrating the skills needed to earn your Open Water certification. Our experienced instructors provide personalized guidance in a small-group setting, ensuring a safe, comfortable, and enjoyable experience from start to finish.

Whether you're finishing your certification while visiting the Florida Keys or completing training started at another dive center, this single-session referral dive is the final step toward becoming a certified scuba diver. Book your checkout dives today and experience some of Key Largo's world-famous underwater sites while earning your certification.

Our Dive Boat Rider Pass is perfect for family members, friends, photographers, or anyone accompanying a certified diver. Enjoy a relaxing day on the boat, take in the scenery, watch divers gear up and enter the water, and be part of the adventure from the comfort of the vessel. Open seats are available on select trips, making this a great way to enjoy the experience without needing dive certification. $60 per person.

PADI Adaptive Techniques Course

Cost: $250.00 Per Student, Includes Pool Sessions, Lunch, Classroom and 2 Tank 2 Location Ocean Dives as well as a PADI Certification in the Specialty

Schedule:

7:30 AM Check-In

8:00 AM Gear Issue

8:30 AM - 11:30 AM POOL SESSION

11:30 AM Movement Back to Sea Dwellers Classroom

11:45-12:30 LIGHT LUNCH (Sandwiches & Chips***) & FINAL CLASSROOM

12:45 TO SEA DWELLER III VESSEL (Goal Weather Permitting is USS Benwood and French Reef)

1:00-4:30 OCEAN TRAINING AND DIVES ( Weather Permitting)

The PADI Adaptive Techniques course is ideal for anyone who has a loved one, friend, student, or dive buddy who may benefit from additional support while diving.

This course helps you become a more capable, confident, and compassionate dive buddy by teaching you how to recognize individual strengths, adapt your approach, and provide meaningful assistance without taking away a diver’s independence. You will build greater confidence supporting a diver from shore, onboard the boat, at the surface, and underwater—including assistance with equipment, entries and exits, communication, balance, positioning, and in-water support.

Adaptive diving is not about focusing on limitations. It is about discovering possibilities and helping every diver experience the freedom, adventure, and connection that make scuba diving so extraordinary. With empathy, patience, and thoughtful preparation, you can help another diver feel safe, respected, included, and empowered.

You do not need to hold a professional certification to participate. This course is open to certified divers at the Open Water level or higher.

If you have someone in your life who wants to experience more of the underwater world and could benefit from a knowledgeable, supportive dive buddy, this course is a powerful investment in both of you. The skills you gain will not only help you support adaptive divers—they will make you a more aware, versatile, and compassionate buddy on every dive.

***Dietary restrictions should be coordinated with the dive center after booking by emailing info@seadwellers.com***

Sea Dwellers Dive Shop welcomes divers for Lobster Season, running from August 6, 2026 through March 31, 2027. This seasonal dive is priced at $110, and all participants must arrive with a valid Florida lobster permit. Additional costs apply for gear rentals and guided dives, and please note that not all areas can be legally lobstered. After reserving your spot, be sure to check with the shop to confirm which dive sites are open for harvesting during your visit. Private trips available for up to 10 people for $1400. Please call to check availability for private Lobster trips.

Sea Dwellers Dive Center invites veterans to come together for a special Veterans Day dive honoring those who have served. Join us on November 11, 2026, for a meaningful day underwater celebrating the courage, commitment, and service of our nation's veterans.

Veterans can receive a special dive rate by entering code VETS2026 when booking. A 10% discount on gear rentals is also available, applied at check-in after service verification. Please bring a valid Military ID, Retiree ID, or VA Card. Discounts do not apply to nitrox upgrades or guided dives.

Celebrate Women’s Dive Day 2027 with Sea Dwellers Dive Center and a community of women who share a love for the underwater world. Join an all-female crew for a guided dive that brings women together to connect, share the experience, and make memories beneath the surface. Whether you're newly certified or an experienced diver, enjoy exploring Key Largo’s reefs alongside fellow women divers. The event includes a complimentary T-shirt, onboard snacks and fruit, reef-safe sunscreen, and post-dive haircare. Space is limited, so reserve your spot and be part of the celebration.

Mini lobster season brings a different kind of excitement to Key Largo’s reefs. Join Sea Dwellers Dive Center for a focused underwater hunt during this limited seasonal event, alongside a crew that prioritizes diver safety and responsible harvesting. This trip is intended for certified scuba divers and may be more challenging than a typical reef dive, so experience with lobster diving is helpful. If you’re new to the hunt, ask the team whether a guide is recommended for your experience level.

All harvesters must have a valid Florida Saltwater Fishing License with the required lobster permit and follow applicable size and harvesting regulations. The crew will help measure your catch, and any lobster that does not meet the legal requirements must be released. Rental equipment is available in limited quantities, so check availability before your trip

AVELO Technician Certification in Key Largo

Take your AVELO knowledge beyond diving with AVELO Technician Certification at Sea Dwellers in Key Largo, Florida. This hands-on program is designed for divers and dive professionals who want to develop a deeper understanding of the AVELO System, including equipment inspection, maintenance, and technical operation.

Through AVELO eLearning and practical technician training at Sea Dwellers Dive Center, you’ll learn how the system works from the inside out while developing the skills needed to properly inspect, maintain, and support AVELO equipment.

Course Includes

• AVELO Technician eLearning
• Technical classroom and practical training at Sea Dwellers
• Hydrotank and Jetpack fundamentals
• Hands-on technician training
• Digital AVELO Technician certification

Prerequisites

• VIP Inspector Certification ( Can be added on for an additional $200)

The AVELO Technician Training Experience

AVELO Technician training in Key Largo combines online education with hands-on instruction, giving you the opportunity to apply what you learn directly to the AVELO System. At Sea Dwellers, you’ll work with an experienced AVELO Technician Trainer to develop practical knowledge of equipment inspection, maintenance, system operation, and technical support.

The course is designed to give you more than a basic understanding of AVELO equipment. You’ll learn how the system’s components work together and develop the technical foundation needed to confidently support AVELO divers and equipment.

Why Become an AVELO Technician?

• Understand the AVELO System: Learn how the system and its components work together.
• Develop Technical Skills: Build practical knowledge of inspection, maintenance, and equipment procedures.
• Hands-On Training: Apply your knowledge through instructor-led practical training at Sea Dwellers in Key Largo.
• Support AVELO Divers: Develop the technical skills needed to properly maintain and support AVELO equipment.

Technical Knowledge

Go beyond simply using the AVELO System and develop a deeper understanding of the equipment itself. The AVELO Technician course covers the technical principles, components, inspection procedures, and maintenance practices technicians need to know.

AVELO Instructor Training in Key Largo

Take the next step in your professional diving career with AVELO Instructor Training at Sea Dwellers in Key Largo, Florida. Designed for experienced dive instructors, the AVELO Instructor course prepares you to teach and certify divers using the AVELO System while developing the skills needed to deliver consistent, performance-based training.

The program combines AVELO eLearning with eight days of in-person instruction, classroom learning, confined-water and open-water teaching evaluations, and hands-on experience. Throughout the course, you’ll learn how to teach the AVELO System, evaluate student performance, coach divers effectively, and maintain AVELO training and safety standards.

Course Includes

• 15–25 hours of AVELO eLearning
• Eight days of in-person instructor training
• Classroom instruction and evaluation
• Confined-water teaching evaluation
• Open-water teaching evaluation
• Instructor teaching and coaching techniques
• Student assessment and performance feedback
• AVELO training standards and safety procedures
• Final written examination
• AVELO Instructor certification upon successful completion

Instructor Training in Key Largo

Train with Sea Dwellers in Key Largo, Florida, and learn to teach the AVELO System in a professional dive environment. The course is built around AVELO's performance-based training methodology, combining instructor observation with measurable student performance and post-dive feedback.

During the program, candidates complete teaching evaluations in the classroom, confined water, and open water. AVELO requires a minimum of 16 AVELO dives and 400 minutes of total dive time by the end of the course.

Build Your AVELO Teaching Skills

• Instructor-Level Training: Learn how to effectively teach the AVELO System and deliver the required training standards.
• Student Evaluation: Develop the ability to assess student performance and identify areas for improvement.
• Performance-Based Coaching: Use AVELO's performance data and post-dive tools to provide more meaningful feedback.
• Safety & Standards: Learn the procedures and quality standards required for AVELO instructors.

Complete AVELO Training Package in Key Largo

Take your AVELO training from your first introduction to the system through professional-level instruction with the Complete AVELO Training Package at Sea Dwellers in Key Largo, Florida. This comprehensive pathway combines AVELO Essentials, AVELO Technician, and AVELO Instructor Trainer training into one professional training experience.

Designed for divers and dive professionals who want to develop a complete understanding of the AVELO System, the program combines online education, classroom instruction, hands-on technical training, open-water experience, and instructor-level development. Training with Sea Dwellers gives you the opportunity to build your AVELO skills in the Florida Keys while working with experienced AVELO instructors and technician trainers.

Complete AVELO Training Pathway

The Complete AVELO Training Package brings together three stages of AVELO education:

AVELO Essentials

Begin by learning the fundamentals of the AVELO System and developing familiarity with the equipment and diving experience. AVELO Essentials introduces certified divers to the system through eLearning, classroom instruction, and open-water training.

AVELO Technician

Build your technical knowledge with AVELO Technician training. Learn how the AVELO System works, including equipment inspection, maintenance, system components, diagnostics, and technician procedures through a combination of online and hands-on training.

AVELO Instructor Trainer (AIT)

Take your professional AVELO training to the next level with AVELO Instructor Trainer preparation. Develop the knowledge and teaching skills needed to instruct divers using the AVELO System while learning AVELO training standards, student evaluation, performance-based coaching, and instructional techniques.

What's Included

• AVELO Essentials certification
• AVELO Technician certification
• AVELO Instructor Trainer training
• AVELO eLearning
• Classroom instruction
• Hands-on technical training
• Open-water training and evaluations where required by each program
• Professional AVELO training and certification pathway