Bel Marin Keys

Bel Marin Keys is an unincorporated community in Marin County, California. It lies at an elevation of 10 feet (3 m).

Bel Marin Keys is an affluent waterfront community located east of the city of Novato. The community has approximately 700 homes. Most of the homes sit either on one of the many lagoons or on Novato Creek. All of the lagoons have access to San Pablo and San Francisco Bays through the navigational locks. The community is in ZIP code 94949 and area codes 415 and 628.

Bel Marin Keys was a planned community built between the late 1950s and late 1980s. Phases 1 through 4 were completed, but phase 5 was never built and instead the land is in the process of being converted back into wetlands, which were dried out in the early 1900s for farm land. Phase 5 would have roughly doubled the size of Bel Marin Keys had it been built.