Complete your open-water course skills in Marathon
2 half-day charters
Finish the open-water portion of a course you started elsewhere. Put your pool and classroom training to the test in open water.
No refunds within 2 weeks of your scheduled trip or lesson.
Product ID: FKQF65
Yes. Each student must complete a medical/student waiver for the Open Water Checkout Dives before the trip.
Bring towels, reef-safe sunscreen, reusable drinking bottles, and any personal gear you want to use. If you are a certified diver, bring your certification card and Divers Alert Network (DAN) card.
Water is available onboard, and you can use the onboard cooler for personal snacks and drinks.
Miss Jackie, next to The Marketplace at Isla Bella Beach Resort
This is the best dive, scuba, snorkel shop I have been to. Everyone is so friendly, personable ans knowledgeable. Always willing to help the customer out! They go above and beyond! Excellent customer service. I will only come here from now on. They helped fit us for the best snorkel mask that matched our face shape and size. Great products too! I visit the keys often, blessed to live in Florida. A five hour drive but I will get my snorkel needs taken care of here from Now on. Thanks for your friendly service.
Julie Hiatt
August 5, 2026
This is the best dive, scuba, snorkel shop I have been to. Everyone is so friendly, personable ans knowledgeable. Always willing to help the customer out! They go above and beyond! Excellent customer service. I will only come here from now on. They helped fit us for the best snorkel mask that matched our face shape and size. Great products too! I visit the keys often, blessed to live in Florida. A five hour drive but I will get my snorkel needs taken care of here from Now on. Thanks for your friendly service.
Julie Hiatt
August 5, 2026
Snorkel Sombrero Reef with gear included on the Marathon Mermaid
Paddle calm, shallow waters with glass-bottom views of illuminated marine life
Paddle clear waters and mangrove tunnels with an eco-guide
Sunset views of Boot Key Harbor and Seven Mile Bridge from the water
Shape your fishing day around reef, wreck, or offshore waters
Watch the sunset over Seven Mile Bridge from the water