Related Clues:

• Sailor's peril
• Cay
• Key
• Capri, e.g.
• Guernsey, for one
• Bikini, e.g.
• Coral ridge
• Dot on a map
• Lagoon perimeter
• St. John, e.g.
• Ferry terminus, maybe
• Vacation spot, perhaps
• Jersey, e.g.
• Any of the Antilles
• Site of a wreck