One of my favorite vacation spots. I can sit for hours looking out into the channel that surrounds the island watching for little sharkies and other fish. Sharkies: technical term for adorable little sub-four foot sharks.
Jules Undersea Lodge - Key Largo, Florida Jules Undersea Lodge is 21 feet under the ocean's surface, and you'll enter the lodge through an opening in the hotel floor. Originally an underwater research laboratory, the lodge rests in a mangrove lagoon, which serves as a natural nursery for reef fish like parrotfish, snapper, tropical angelfish, oysters, and anemones. Guests at the lodge are allowed an unlimited number of tanks for the hotel-provided scuba gear.