!!!Puerto Rico: Geography ||Location|Caribbean, island between the Caribbean Sea and the North Atlantic Ocean, east of the Dominican Republic ||Geographic Coordinates|18 15 N, 66 30 W[{GoogleMap location='18.25,-66.5' zoom='4'}] ||Land boundaries|0 km ||Coastline|501 km ||Elevation Extremes|''lowest point: ''Caribbean Sea 0 m\\''highest point: ''Cerro de Punta 1,338 m ||Highest Mountains| ||Terrain|mostly mountains with coastal plain belt in north; mountains precipitous to sea on west coast; sandy beaches along most coastal areas ||Natural Hazards|periodic droughts; hurricanes ||Natural Resource|some copper and nickel; potential for onshore and offshore oil ||Land Use|''arable land: ''6.76%\\''permanent crops: ''4.51%\\''other: ''88.73% (2011) ||Climate|tropical marine, mild; little seasonal temperature variation ||Irrigated Land|220.4 sq km (2005) ||Renewable Water Resources|NA ||Environment_CurrentIssues|erosion; occasional drought causing water shortages ||Environment - international agreements|NA ||Large Cities| ||Geography-note|important location along the Mona Passage - a key shipping lane to the Panama Canal; San Juan is one of the biggest and best natural harbors in the Caribbean; many small rivers and high central mountains ensure land is well watered; south coast relatively dry; fertile coastal plain belt in north