Club Rio Sailing offers day usage of 22 and 27-foot sailboats in the California Delta.

Annual Membership Dues: $300
Monthly Dues:
$100/month for 22-foot boat usage
$150/month for both 27-foot boat and 22-foot boat usage
Day usage is virtually unlimited.  Boat use is reservation-based,
first-come, first-served.

Here's another benefit of Club Rio membership: Discounted ASA Sailing Classes.

Members must be ASA Basic Coastal Cruising certified or equivalent to join at the $150.00/month level and use the Catalina 27's.