Puerto Rico Trench Puerto Rico Trench The Puerto Rico Trench is located on the boundary between the Caribbean Sea and the Atlantic Ocean. The oceanic trench is associated with a complex transition between the Lesser Antilles subduction zone to the south and the major transform fault zone or plate boundary, which extends west between Cuba and Hispaniola through the Cayman Trough to the coast of Central America. The trench is long and has a maximum depth of or 5.373 miles at Milwaukee Deep, which is the deepest point in the Atlantic Ocean and the deepest point not in the Pacific Ocean. Scientific studies
Titans of the Deep creatures seen and filmed at that depth for the first time. Titans of the Deep Titans of the Deep is a 1938 film inspired by the early 1930s deep sea dives made by William Beebe and Otis Barton. Beebe and Barton were the first to set ocean depth records in a device invented by Barton. The film was written by Les Adams. It was somewhat intended as a documentary but was often sold and advertised as an exploitation/horror picture. Prominent scientists Dr. William Beebe and Otis Barton, using the Bathysphere invented by Barton, descend several thousand feet to the ocean