Full Service Marina

At Grand Isle Marina, we take pride in having one of the best full-service marine departments on Lake Michigan. We can service a laundry list of needs for all local boaters, not just our marina members. Whether you’re looking to rebuild your engine, install a stern thruster, or get your boat fine-tuned for the upcoming season, we’ve undoubtedly got you covered.


Our service department has no limitations and we challenge you to bring us your toughest and most important projects. We offer stern thruster installations, synthetic decking, bottom blast and barrier coat, air conditioning installation, gel repairs,  engine rebuilding and or replacement, out-drive service and rebuilding, outboards, generators, underwater gear, electronic repair and replacements, refrigeration, Sealand systems, and quite honestly, anything else you could think of. We’ve even got an expert detail shop with a reputation for excellence that will go the extra mile to ensure your boat is protected and spotless!


Grand Isle Marina has three marine travel lifts;  50, 70, and a 165 ton lift, one of the biggest lifts in Michigan, for all of your haul out needs.


Now certified PlasDeck & PlasTeak  installers!