About Kent's Harbor, Inc. In business since 1974. Full Service, Deep Water Marina with over 400 slips. Full Service Boat Dealership, Featuring: Rinker, Sweetwater, Hurricane, & Aqua Patio Boats. Certified Service Department - Mercury / Mercruiser Dealer. Boat Rental Operations & Boating Club. Waterfront Restaurant: Ainsley’s Café & Harbor Bar. Job Responsibilities for Service Technician / Apprentice. Performing, or learning to perform. Mechanica...