Paradise Cay, also known as County Service Area No. 29,[2] is an unincorporated enclave, surrounded by the town of Tiburon in Marin County, California,[1] located 2 miles (3 km) south of Point San Quentin[3] at an elevation of 23 feet (7 m).[1] The waterfront community lies at the foot of the Tiburon Peninsula south of Corte Madera Creek along San Francisco Bay.[4] The community is in ZIP code 94920 and area code 415.