The Mona Passage is a strait located between the islands of Puerto Rico and Hispaniola. It connects the Caribbean Sea to the Atlantic Ocean and is approximately 80 miles long. The passage is known for its deep waters and strong currents, making it a significant route for maritime navigation. This area is also notable for its rich marine biodiversity, including various species of fish and coral reefs. The surrounding waters are important for both commercial and recreational fishing, as well as for shipping traffic that passes through the region.