Complex sentence: Barren Island, was originally an island off the southern end of the New York City borough of Brooklyn, in Jamaica Bay seperated fromthe Rockaway Peninsula in Queens by the Rockaway Inlet.
Split into simpler sentences: Barren Island, was originally an island off the southern end of the New York City borough of Brooklyn, in Jamaica Bay. The area is seperated from the Rockaway Peninsula in Queens by the Rockaway Inlet.