Related Clues:

• Enewetak or Kwajalein
• Sailing hazard
• Lagoon locale
• Offshore ridge
• It's a great barrier
• Nautical hazard
• Midway, for example
• Bikini, for one
• Palm tree locale
• Great Barrier Reef sight
• Coral ensemble?
• Part of some chains
• Kwajalein is one
• Great Barrier --
• Bikini in the Central Pacific