Of the main types of coral reef, this one is miles offshore with a channel between it & the mainland
In December 2015, Belize 
banned offshore oil drilling within 1 km of the... [DOC] [TLE] 3.3 Marine/offshore systems 3.3.1.1 Coral Reefs and Coral ... [PAR] 3.3.1 Coral, Coral Reefs and Live/Hardbottom Habitat.