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Advantage Marine Repair, based in Zeeland, Michigan, is a Certified Mercruiser and Mercury Outboard service provider. Multiple members of our team hold Mercruiser and Mercury certifications and will ensure you receive only the highest level of service and care. Our team provides parts, service, winterization, storage, and spring launch services. We focus 100% of our attention on service for inboard/outboards, outboard motors, personal watercraft, transmissions, propellers, custom rigging, navigation systems, plumbing, minor fiberglass repairs, custom LED lights, spring tune-ups, and much more.

Grand Isle Marina is proudly owned and operated by Safe Harbor Marinas, the largest marina company in the world. We offer a variety of best-in-class amenities and facilities, and we have a genuine commitment to superior customer service. Whether it is our easily accessible location, our pristine grounds, or the many social and Member events we hold throughout the year, Grand Isle Marina is truly an unmatched boating experience. Most of all, we are deeply dedicated to serving our Members and delivering an exceptional and memorable experience to our entire boating family.

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.