Would you like to enjoy a day snorkeling on the most famous part of the third largest barrier reef in the world? Join the fun and friendly crew at Starfish Marathon Snorkeling Tours for a day trip to magnificent Sombrero Reef, where you can enjoy a leisurely swim among the many fish and corals in a protected underwater paradise. We will make your Marathon snorkeling adventure comfortable, exciting, and unforgettable aboard our shaded catamaran, outfitted with a freshwater shower and concessions. We offer a family-friendly environment suitable for all ages, and we even include your snorkeling gear. Join one of our snorkel tours in Marathon and discover one of Florida’s most hidden natural jewels.