About Lost Reef Adventures
Lost Reef Adventures is a PADI 5-Star Dive Center tucked into the Key West Bight Marina at Margaret Street, right in the heart of the Historic Seaport district. With over forty years of local expertise, they are one of the longest-running dive operations in the Florida Keys. Their boats depart twice daily for four-hour reef and wreck diving excursions, visiting vibrant coral formations in the Florida Keys National Marine Sanctuary as well as the USS Vandenberg wreck site — giving divers two very different underwater environments in a single trip to Key West.
For visitors who have never dived before, the Discover Scuba resort course lets guests try diving in a single day without committing to a full certification. Those who catch the bug can continue straight into PADI Open Water and Advanced Open Water courses, all taught by professional dive masters in the warm, clear waters just offshore. Snorkeling trips follow the same routes at a fraction of the cost, with all gear included and inflatable snorkel vests provided for beginners who want extra confidence in the water. Small group sizes on every excursion ensure the crew can give each guest individual attention.
The retail shop at the marina stocks a full line of scuba and snorkel equipment for sale or rent, from masks and fins to full BCD and regulator setups. Beyond standard reef trips, Lost Reef Adventures arranges sunset cruises, private family charters, and even wedding ceremonies and memorial services at sea — a unique offering that sets them apart from the typical dive-and-snorkel outfitter. Their central Seaport location is an easy walk from Duval Street, the cruise ship terminal, and most downtown hotels, making them one of the most convenient dive shops to reach on foot in Key West.
