Seal Beach encompasses the Leisure World retirement gated community

Gated community

In its modern form, a gated community is a form of residential community or housing estate containing strictly-controlled entrances for pedestrians, bicycles, and automobiles, and often characterized by a closed perimeter of walls and fences. Gated communities usually consist of small residential...

 with roughly 9,000 residents. This was the first major planned retirement community of its type in the U.S. The small gated community of Surfside Colony

Surfside, Seal Beach, California

Surfside is a small gated community with three rows of houses, lettered A, B, and C. Surfside is part of the city of Seal Beach, California and is located on the west side of Pacific Coast Highway, southwest of the Naval Weapons Station Seal Beach between the station and the Huntington Beach...

 southwest of the Weapons Station is also part of Seal Beach.

The main body of Seal Beach consists of many neighborhoods.

• Old Town is the area on the ocean side of California State Route 1
  California State Route 1
  State Route 1 , more often called Highway 1, is a state highway that runs along much of the Pacific coast of the U.S. state of California. It is famous for running along some of the most beautiful coastlines in the world, leading to its designation as an All-American Road.Highway 1 does not run...
  
   (PCH).

• "The Hill" is the neighborhood on the north side of PCH bordered by Gum Grove Park.

• College Park West is a small neighborhood bordering Long Beach.