Related Clues:

• Spot in a stream
• Marooned one's locale
• Key, perhaps
• The Emerald __ (Ireland)
• Any of the Bahamas
• Guernsey, e.g.
• Tahiti, e.g.
• Sea escape
• Archipelago lightweight
• Spot of land in the sea
• Bali or Elba, e.g.
• Cuba or Crete
• "Survivor" setting
• 25 Down, e.g.
• Skye, e.g.