"Outer atolls" refers to remote and thinly populated coral reef islands that are located further away from the main islands or continental landmass. Full definition
Truly spectacular small islands can be found along the reef itself ö on outer atolls or along the southern portion of the main Barrier Reef. (ambergrisCaye.com)
They operate a full - service dive operation including local barrier reef dives, outer atoll dives and full certification courses. (iguanareefinn.com)
Even more ambitious, however, is the government's plan to reclaim and construct a land area the size of New York's Central Park at 5 - to - 10 meters above sea level, allowing citizens from outer atolls to resettle on this new elevation - fortified land, excavated from the sea on Funafuti Atoll. (newsecuritybeat.org)