Welcome This site is established primarily for the staff and residential owners of the Boca Rio Homeowners Association. Boca Rio Homeowners Association Site Address: 1590-1690 Seacoast Drive Imperial Beach, CA  91932 Mailing Address: P.O. Box 807 Imperial Beach, CA  91933 Haven't Registered Yet? Are you a Boca Rio Homeowner but have not registered for this site or our