This offering presents an attractive opportunity to acquire a well-established, full-service marina featuring diversified revenue streams, substantial marine infrastructure, and significant growth potential.
Since 2022, ownership has completed extensive capital improvements, including a new 92-space dry rack storage facility, harbor basin expansion, enlarged service and storage areas, RV campground improvements, and major equipment and infrastructure upgrades. The property has minimal deferred maintenance and offers immediate revenue growth through lease-up of the new rack facility, completed in mid-2025, without additional capital investment.
The Marina features 99 covered wet slips, 8–10 uncovered slips, additional end ties, a courtesy dock, 92 dry storage racks, storage for 120+ trailered boats, and an 8-pad waterfront RV campground. Wet slips, rack storage, and RV sites operate under annual contracts, providing reliable, easy to manage recurring revenue.
A key competitive advantage is the Marina's comprehensive marine service and repair operation, supported by experienced technicians, a parts department, and 60- and 70-ton travel lifts, including the largest lift in the surrounding market. Additional revenue sources include a four-dispenser fuel dock, ship's store, and TowBoat U.S. franchise with three towboats.
Significant expansion opportunities include approximately 20 additional wet slips, expanded rack and trailered boat storage, additional RV sites, enlarged service facilities, and an expanded ship's store or convenience market.
Investment Takeaway: With substantial recent capital improvements, minimal deferred maintenance, diversified recurring revenue, and immediate rack storage lease-up upside, the Marina offers a compelling opportunity to grow cash flow and asset value with limited near-term capital requirements and substantial long-term expansion potential.
With extensive recent CapEx investment completed by the current ownership, a new owner can enjoy a facility that is optimally positioned for income growth while requiring little to no deferred maintenance expenses in the near-term. The recently built rack storage building introduces a continuous lease-up opportunity consisting of 92 rack units for boats up to 34’. Additional growth opportunities include new wet slips, increased rack and dry-storage capacity, expanded marine service facilities, additional RV sites, and enhanced retail operations. Together, the property's existing infrastructure, untapped storage capacity, and available development land provide an attractive platform for a new owner to grow cash flow, enhance operating margins, and create long-term asset value without the substantial upfront investment required to develop a comparable full-service marina.
Location Overview
Strategically located at 6247 Highway V in St. Charles, Missouri, Port Charles Harbor Marina is an established full-service marina on the Upper Mississippi River, situated at River Mile 221.5 near the confluence of the Mississippi and Illinois Rivers. The Marina benefits from a protected harbor setting, convenient access to the greater St. Louis metropolitan area, and proximity to Grafton, Illinois, a popular regional boating destination.
Located within St. Charles County, the Marina serves an established recreational boating market supported by affluent suburban communities, regional boat owners, and transient river travelers. Its positioning along the Mississippi River provides access to an extensive inland waterway network (Great Loop), while its comprehensive marina facilities, boat storage, and marine service offerings support a diversified customer base.
Market Demographics & Regional Growth
Port Charles Harbor Marina benefits from its location within the greater St. Louis metropolitan area, one of the Midwest's major population and economic centers, with access to the growing communities of St. Charles, O'Fallon, St. Peters, and surrounding Missouri and Illinois markets.
The Marina's combination of direct Mississippi River access, proximity to affluent and expanding suburban communities, and exposure to the broader St. Louis recreational boating market supports its competitive positioning. These demographic fundamentals, coupled with established demand for boat storage, dockage, and marine services, provide a favorable foundation for the property's long-term investment appeal.

