Al Larson Marina is a public boat facility located at 1046 South Seaside Avenue on Terminal Island in the Port of Long Beach, offering 125 covered boat slips accommodating vessels from 20 to 50 feet.

The marina provides comprehensive amenities including shore power, water, telephone service, restrooms with showers, laundry facilities, haul-out and boat repair services, and a marina store, making it a full-service facility for recreational boaters.