Marina del Rey is the world's largest man-made small craft harbor, with 19 marinas for 5,300 boats. Built in 1965 it is Los Angeles county's most valuable resource. Over 9,000 people live in mostly rental, high-rise condos and apartments. Residents and visitors enjoy the shops, restaurants and hotels Only 4 miles north of LAX, it is surrounded by the Pacific Ocean and the City of Los Angeles.