Lying about  north of Puerto Rico in the Atlantic Ocean at the boundary between the Caribbean and North American plates is the Puerto Rico Trench, the largest and deepest trench in the Atlantic. The trench is  long and about  wide. At its deepest point (named Milwaukee Depth), it is  deep.
The Puerto Rico Trench, located north of Puerto Rico in the Atlantic Ocean at the boundary between the Caribbean and North American plates, is one of the largest and deepest trenches in the Atlantic. It extends for  long and has a width of approximately . At its most extreme point (Milwaukee Depth), it reaches a depth of .