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No Name Cay, Whale Cay, and the Fowl Cay Preserve are popular marine-life sites. The 1865 wreck of the steamship freighter San Jacinto also affords scenic diving and a chance to feed the resident green moray eel.
Treasure Divers. In the Treasure Cay Marina, Treasure Divers rents SCUBA and snorkeling equipment and takes divers and snorkelers out to a variety of sites. 242/365–8571. www.treasure-divers.com.