Ocean Beach is a beachfront neighborhood of San Diego, California

San Diego, California

San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

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Ocean Beach is located in San Diego on the Southern California

Southern California

Southern California is a megaregion, or megapolitan area, in the southern area of the U.S. state of California. Large urban areas include Greater Los Angeles and Greater San Diego. The urban area stretches along the coast from Ventura through the Southland and Inland Empire to San Diego...

 coast. It lies on the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 at the estuary of the San Diego River

San Diego River

The San Diego River is a river in San Diego County, California. It originates in the Cuyamaca Mountains northwest of the town of Julian, then flows to the southwest until it reaches the El Capitan Reservoir, the largest reservoir in the river's watershed at . Below El Capitan Dam, the river runs...

, at the western terminus of Interstate 8. It is approximately 7 miles (11.3 km) from Downtown San Diego. O.B. is south of Mission Bay and Mission Beach, directly north of Point Loma, and northwest of downtown. The O.B. community planning area is bounded on the north by the San Diego River, on the west by the Pacific Ocean, on the east by Froude St., Seaside St.