Marina del Rey is an unincorporated seaside community in Los Angeles County, California, United States. The marina, which includes residential, light commercial, and office facilities, is a major boating and water recreation destination of the Greater Los Angeles area. It is North America's largest man-made small-craft harbor with slips for approximately 5,000 boats. The area is a popular tourism destination for both land and water activities, such as paddleboard and kayak rentals, dining cruises, and yacht charters. Land activities include bicycling on several bicycle paths, walking paths along the waterfront, and birdwatching (birding). Wildlife watching opportunities include California sea lions and harbor seals. Dolphins and whales occasionally visit the deeper waters of the harbor. This Westside locale is approximately 4 miles (6.4 km) south of Santa Monica, 4 miles (6.4 km) north of Los Angeles International Airport, and 12.5 miles (20.1 km) west-southwest of downtown Los Angeles. It is surrounded by the City of Los Angeles.