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There is something for everyone!
Sailing Catamaran "Sirius"
Experience the exciting world of sailing with fresh breezes and delightful sunsets on the tropical waters of the Florida Keys aboard the 24 passenger 36ft sailing catamaran departing from Marathon Marina.


Cruisin' Tikis Marathon
Cruisin’ Tiki Marathon offers a variety of cruises departing daily from Marathon Marina. We also offer private parties & special events.


Dolphin Research Center
Our Mission – Through education, research and rescue, Dolphin Research Center promotes peaceful coexistence, cooperation and communication between marine mammals, humans and the environment we share with the well being of DRC’s animals taking precedence.
Up to 70 injured sea turtles arrive at this hospital each year for medical care, rehab & then eventually released back into their natural environment. While here visitors can enjoy the opportunity to tour this facility & watch veterinarians in action!
Immerse Yourself at our aquarium. We have several encounters to choose from.
- Big Shark Bay Encounter
- Stingray Cove Encounter
- Coral Reef Snorkel Encounter
1021 11th Street Ocean
Marathon, FL 33050
305-743-6575
Office Hours: 8am-5pm Monday-Saturday
Fuel Dock: 7am-5pm Daily
N24° 42.246’ / W 081° 06.733’
VHF 16/10
Easy Ocean or Gulf Access