Channel Islands Harbor is in the middle of three popular Ventura County Beaches. Situated south of the harbor, Silver Strand Beach has plenty of sand and family friendly waves near the mouth of the harbor. Within the harbor there is Kiddie Beach which has the reputation as California's most polluted beach. North of Channel Islands Harbor is Hollywood by The Sea and Mandalay Beach. Both these beaches have plenty of sand and there lies the problem. It is a long walk to the water.