To reach the park in Castro Valley on I-580 westbound, take the Strobridge Avenue exit. Turn right on Strobridge, right on Castro Valley Boulevard, and left on Lake Chabot Road. The Lake Chabot Marina is about two miles ahead on the right. In Castro Valley on I-580 eastbound, exit at Redwood Road and go left, go left at Castro Valley Boulevard, right at Lake Chabot Road, and follow the directions above. From I-580 in San Leandro, exit at Fairmont Drive and go east (uphill). The marina entrance will be to the left at the bottom of the hill. (parking fee).