New Haven Marinas Acquires Grafton Harbor Marina
Published on December 19, 2025New Haven Marinas has added Grafton Harbor Marina to its portfolio. The transaction was brokered by National Marina Sales, a leader in marina sales and acquisitions.
The facility sits at the confluence of the Mississippi River and the Illinois River, just north of St. Louis making the acquisition a major step forward for New Haven Marinas in its expansion along the American Great Loop. This is its second property along this legendary boating route and brings its management portfolio to eight marinas across five states.
Property Highlights
- Pristine, well-maintained marina with little to no deferred maintenance
- Strong breakwater system
- Sunset cruise excursions are offered on the marina’s dedicated tour vessel
- On-site winery, floating bar, Grafton Oyster Bar, and a ship store
New Haven Marinas’ vision includes enhancing the marina’s facilities by expanding dockage, adding amenities and fostering community events that celebrate the beauty of the river. Their commitment to sustainability and customer satisfaction is already evident in their plans for future developments.
Grafton Harbor Marina will officially transition to New Haven Marinas effective immediately, with a seamless transfer of operations intended to minimize disruption for current customers.
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