Map Port Austin Marina 119 E. Spring St., Port Austin, MI 48467 Add To Trip EmailPhone: (989) 980-7400 Description Full service marina. We have seasonal and transient dockage available with our own boat launch. Also a launch point for Port Austin Canoe & Kayak rentals. Videos TripAdvisor® Traveler Reviews More To Explore Categories: Boating Recreation City: Port Austin Region: East Central Although the MEDC uses reasonable efforts to maintain the accuracy of the website content, it is not represented to be error free. Read legal information.