TopSide Marinas Expands into Michigan with Acquisition of Bay Harbor Marina 

TopSide Marinas, a family-owned company that acquires and operates high-quality marinas throughout the United States, has acquired Bay Harbor Marina, a full-service marina located along the Saginaw River in Bay City. The acquisition marks TopSide Marinas’ first entry into the Michigan market. 

Established in 1967, Bay Harbor Marina spans 80 acres and offers extensive amenities for recreational boaters. The marina features 400 wet slips, 100 dry stack slips, and more than 500 winter storage spaces, including over 120,000 square feet of heated indoor storage. On-site services include fuel docks, a ship store, mechanical and electronic repair, fiberglass and paint services, haul-out capabilities, and both indoor and outdoor storage options. 

Bay Harbor Marina serves boaters of all kinds, with members ranging from pontoon and sailboat owners to those operating large cruisers. Its location makes it a strategic stop for transient boaters as it’s less than two miles from Saginaw Bay and in route to Lake Huron.  

“We are excited to enter the Michigan market with our first marina, Bay Harbor, welcoming new team members to the TopSide community as well as our newest boating enthusiasts. Our newest marina provides the ideal location to serve customers passing through or for those who have a slip with us,” said Ryan Skiles, Regional VP at TopSide Marinas. 

TopSide Marinas plans to build upon Bay Harbor’s strong foundation, expanding its service department to include additional original equipment manufacturers such as Mercury outboards, Volvo, and Kohler (Rehlko). Enhancements are also planned for the store to offer best-in-class products along with expanded storage availability.  

Following its November 2025 acquisition of Pikes Bay Marina in Bayfield, Wisconsin, TopSide Marinas continues its U.S. expansion, strengthening its commitment to operational excellence, community stewardship, and preserving the spirit of recreational boating. TopSide Marinas also owns and operates marinas across the country including Hideaway Marina, Cape Fair Marina  and Campbell Point Marina in Missouri, Galveston Yacht Marina, North Point Marina and April Plaza Marina in Texas, Beavers Bend Marina in Oklahoma, Rock Creek Marina in Kansas, Bay Marine of Sturgeon Bay in Wisconsin, and Larsen Marine and Bay Marine of Chicago in Illinois. 

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