Marathon is located in the ♥ Heart of the Keys and is 100% surrounded with Natures Beauty. Those Cotton Candy Skies, and Baby Blue Waters are just everywhere you look! ☀ You can Boat, Jet-ski, Powerboat, Snorkel, Dive, Fish 🐠, Paddleboard, Kayak, Sunbathe or just Relax 🏖. Waterside 🍴 Restaurants, Nightclubs, Museums, Farmers Markets, Shopping, Wildlife and more, more, more!