Cops on a Caribbean island where a Manhattan man disappeared during a romantic getaway with his wife have launched a murder probe into a decomposed body suspected of being the missing man.

Investigators have made a grim discovery during the search for Brian Tarrence, a New Yorker who disappeared in Turks and Caicos.

Brian Tarrence, 51, is a Manhattan resident who had been vacationing with his wife for a romantic anniversary getaway.