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Key Largo Diving – A Boutique Dive Center & Resort Facility

Since 1972, Sea Dwellers Dive Center has been your local dive and snorkel expert.  We run daily dive trip and snorkel trips to Molasses Reef and many other sites in Key Largo.  We are proud to be the oldest standing shop in the Keys, offer all levels of Scuba Instruction, and visit various sites throughout John Pennekamp Coral Reef Reserve, including the Christ of the Abyss.

We offer PRIVATE Snorkel Boats!
Up to 6 passengers for only $535, and up to 15 passengers for only $795! 
We also offer private snorkel guides. 
Click The Christ of the Abyss Picture to learn more!

Private Snorkel Tours

Call now: 305-451-3640

Explore the underwater world with us!


Scuba Diving Key Largo Shallow Reef
2-location dive trips
starting at $100!

Snorkeling Key Largo
2-location snorkel trips
starting at $70!

Learn to Scuba Dive Key Largo
Take a look at our available courses and book your training today!
Dive Sites

Key Largo Dive Sites
Learn why Key Largo is such a world-famous dive destination!

 We are open and running two trips a day: 8:30 am and 1:00 pm
Call 305.451.3640 to reserve your spot today!


Sea Dwellers Dive Center is proud to be an SSI Diamond Dive Center & Resort Facility offering Key Largo diving in the “Dive Capital of the USA!”. You’ve found a small, “Boutique” Dive Center offering a relaxed, calm atmosphere. Our Key Largo dive sites have been voted the “Best in North America” year in and year out. Sea Dwellers has been offering diving charters, Instruction, and Resort Vacation Packages in Key Largo for almost 50 years now. We are a full-service dive shop providing scuba diving services in the Florida Keys since 1974. Dive Key Largo and enjoy one of the best Key Largo diving packages in the Florida Keys including rooms at the Holiday Inn Key Largo Resort. Your boat and Dive Center are just steps from your room! Florida Keys diving has never been more convenient! We offer all levels of Key Largo Scuba Diving Instruction. Dive Key Largo with a premier Dive Center… we’ve never forgotten that diving is fun!

Relaxation Under Pressure

Scuba Instruction is our specialty, and we strive to make our divers happy! How do we do this? By offering you more! We give you more pool time & more open water diving time than most other courses offer! Our Instructors are here for you, and we believe in creating a safe, low pressure environment for you to learn scuba diving. Dive Key Largo dive sites in a relaxed atmosphere. The happy diver is the committed diver! We believe that a well trained and confident diver will keep diving and return to enjoy more Key Largo diving!

Key Largo & the Florida Keys…an unhurried, unspoiled natural paradise offering spectacular sunsets, gentle breezes and beautiful, protected waters with some of the most abundant marine life for scuba diving & snorkeling. Sea Dwellers Dive Center is a Resort Dive Center located in the heart of Key Largo and part in a multitude of activities or just sit back, relax and enjoy the atmosphere. And of course Dive!

Scuba Diving Florida Keys – Daily Dive Charters & All Levels of Scuba Instruction

Offering daily diving charters to Pennekamp Park and the Key Largo Marine Sanctuary! Both of your boats are docked alongside each other in the Holiday Inn Marina. Your dive boat is just steps from your room! We are an SSI & PADI Dive Center offering all levels of Florida Keys Scuba Diving Instruction. Our basic Discover Scuba Experience is offered daily. We take you to many dive spots depending on your level of certification. Dive Keys Largo dive sites during your course, Molasses Reef, French Reef, the Benwood Wreck and the Spiegel Grove Wreck are just some of the sites we visit most.

Blue Star Operator Key Largo

Coral Restoration Foundation Dives

2023 CRF Dives:



24 MAY




Book your CRF dive today!

The Sea Dwellers Advantage:

Since 1972, Sea Dwellers Dive Center has provided safe, reliable and fun-filled scuba adventures in the Florida Keys. We’ve earned the reputation as “The name you know and trust.” for those who want to dive Key Largo. What’s behind our success? We are a small, “boutique style” dive center & finest independent dive operator. We treat you like a friend, and this is shown in our large number of repeat customers, (see our “Hall of Fame” Dive Page).

Dive Key Largo
  • It’s your vacation — dive at your own pace. We don’t rush your trip, you get over an hour at each dive location.
  • Custom-design your schedule around Key Largo’s largest menu of options in North America for diving and training.
We’ve Never Forgotten that Key Largo Scuba Diving is Fun!
  • At Sea Dwellers we never forget that you are here to have fun, so you can maximize your vacation enjoyment.
  • We don’t pack boats to their limit plenty of “elbow room” — No cattle boats. Florida Keys diving should be relaxing and fun!
  • Friendly, expert dive masters and crew provide personal attention. Most of our employees have been working with us for many years or more!
  • Our Full-Service Dive Center is just across the highway from the Resort, and your boats are in the Dive Resort Marina, just steps from your room!
With your Sea Dweller Staff, safety is born of skill, local knowledge and professional training
  • Your safety is our number one concern.
  • Our divemasters, captains and crew are among the best on the island, and they aren’t “newbies” to our Center.
  • Attentive service from well-trained crews.
  • Full safety equipment on every boat.

Dive Key Largo with Sea Dwellers Dive Center! We keep it fun, but always safe. Never a compromise, just scuba diving Florida Keys style!

Have A Moment???
The greatest thing you can do is write us a kind review... 
Many customers rely on your feedback while planning their trips! 
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*$5 FUEL Surcharge Per Person Per Trip Effective March 10th, 2022
All Riders, Snorkelers, Divers, Scuba Instruction Students, and Multi Trip Packages.
We hope this fuel price surge will end soon, but until then this is the only way we can maintain the ability to continue to take you out on the water doing what you love.

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