Located at beautiful Channel Islands Harbor in Oxnard, Ventura County, California, Seaside Boatyard & Marina is the newest full-service boatyard and marina. The property offers wet slips ranging from 30′ to 60′, side ties up to 85′, and boat and trailer storage up to 45′. At Seaside, we are focused on providing the highest level of personal service to every customer. Our self-storage is open 24/7 and our valet boat storage is open 8 AM to 4:30 PM seven-days-a-week.