Seven Mile Beach (Negril) is ranked #2 out of 18 things to do in Jamaica. See pictures and our review of Seven Mile Beach (Negril).

"The beach could be totally lost within 30 years," said Anthony McKenzie, a senior director at the agency. Shrinking coastline long has raised worry for the area's environmental and economic future.

Seven Mile Beach (Grand Cayman) is ranked #1 out of 14 things to do in Cayman Islands. See pictures and our review of Seven Mile Beach (Grand Cayman).