Thee Caribbean Sea is where the Great Blue Hole is located. It is relatively close to Belize and is part of the Lighthouse Reef.

大蓝洞坐落于加勒比海，离伯利兹绝对较近，是灯塔礁的一局部。

youdao

It was not the miles of palm-fringed, white sand or the ludicrously blue sea that stunned me the Caribbean is littered with beaches fit for postcards it was the fact that there was virtually no development in any direction and hardly a soul in sight.

BBC: Colombia��s virtually vacant paradise