Looe Key is a living coral reef sanctuary in the Florida Keys, celebrated for its crystal-clear waters, vibrant marine life, and world-class snorkeling and diving.
Looe Key sits about six miles off Ramrod Key in the lower Florida Keys, and its name traces back to a British naval frigate that ran aground on the reef in 1744. That wreck, HMS Looe, is now part of the reef's character, its anchor and ballast stones colonized by coral over nearly three centuries. The site gained federal protection as part of the Florida Keys National Marine Sanctuary, ensuring the ecosystem remains largely intact.
The reef itself consists of a spur-and-groove system, with long fingers of coral separated by sandy channels that funnel fish and create natural corridors for exploration. Elkhorn and staghorn corals, both threatened species, still grow here in notable concentrations. Parrotfish, angelfish, moray eels, and nurse sharks are regular residents, while the deeper groove sections attract barracuda and grouper.
Most visitors reach Looe Key by joining one of the local snorkeling or scuba diving charters that depart from nearby marinas. The reef is shallow enough for snorkelers yet varied enough to satisfy experienced divers, with visibility often exceeding 30 feet. For anyone drawn to unspoiled underwater landscapes, Looe Key stands as one of the finest natural experiences the Keys have to offer.
Visit on a weekday morning for the calmest water and the fewest boats above the reef.
Bring an underwater camera or a waterproof phone case, as the shallow coral formations make for stunning close-up shots.
Wear reef-safe sunscreen to protect the coral ecosystem, as conventional formulas are harmful to marine life.
Book a charter from Ramrod Key or Big Pine Key, the closest launching points to the reef.
Look along the reef's eastern spur for the anchor and scattered remains of HMS Looe, the 1744 British frigate that gave the site its name.
Snorkel Looe Key’s protected reef with an optional Picnic Island beach stop
Explore a protected reef after dark by snorkel or dive
Design a Lower Keys charter with sandbars, reefs, snorkeling, or bar stops
Customize a day of Florida Keys sandbars, reefs, and snorkeling