Related Clues:

• Islets
• The Marshall Islands, e.g.
• Key rings?
• Low islands
• Many of the Marshall Islands
• The Maldives, e.g.
• A lot of Polynesia
• Small islands
• Island rings
• Keys
• Lagoon surrounders
• Enewetak and Kwajalein
• A lot of Oceania
• Coral formations
• Low-lying islands