Walstrom Marine Acquires Algonac Harbour Club

Walstrom Marine Acquires Grand Bay Marine

November 15, 2023

Retail

Walstrom Marine has acquired Grand Bay Marine, a Michigan-based full-service boat dealership with locations in Traverse City and Charlevoix. The seller, Liz Carney and her family, will assist with the transition while Grand Bay's 38 employees remain; the deal expands Walstrom's footprint across the Great Lakes and adds the Regal brand to its portfolio. The investor group led by Continuum Ventures (the DeVos family office) — which previously invested in Walstrom — will own Grand Bay through their stake in Walstrom.

Continuum Ventures Acquires Majority Stake in Walstrom Marine

June 15, 2021

Retail

Continuum Ventures, the investment management company for Doug and Maria DeVos, has acquired a majority ownership stake in Walstrom Marine as part of the company's long-term succession plan. Colony Marine and the James Mestdagh family took minority stakes, while the Ward Walstrom family remains a minority owner and Tom Ervin continues as President. The investment aims to support growth and preserve Walstrom’s family-run full-service boating operations across Northern Michigan.

TopSide Marinas Acquires Bay Marine Marinas in Waukegan and Sturgeon Bay

May 30, 2024

Real Estate

TopSide Marinas has acquired two Lake Michigan marinas — Bay Marine of Chicago (Waukegan, IL) and Bay Marine of Sturgeon Bay (Sturgeon Bay, WI). The previous owners, Matt and Mark Felhofer, will continue to own and operate Bay Marine Yacht Sales and will lease back showroom and office space at both locations as TopSide expands its Great Lakes footprint.

Continuum Ventures Acquires Majority Stake in Action Water Sports

March 13, 2023

Retail

Continuum Ventures, the investment arm of the Doug and Maria DeVos family, has acquired a majority stake in Action Water Sports, a four-location premium boat dealership headquartered in Hudsonville, Michigan. Founder Jerry Brouwer will remain as a partner and president as Continuum integrates Action into its growing marine platform to expand its dealer, service, and marina footprint.

OneWater Marine Acquires Stone Harbor Marina

June 15, 2021

Retail

OneWater Marine Inc. agreed to acquire the assets of Stone Harbor Marina from owner Tom Russell to expand its presence in the northeastern United States. The acquisition adds new and pre-owned boat sales, service and repair, storage and marina operations — Stone Harbor generated approximately $35 million in trailing twelve-month sales — and is expected to close in OneWater’s fiscal fourth quarter of 2021.

Alleguard Acquires Harbor Foam

August 28, 2024

Manufacturing

Alleguard (Foam Holdings, a Wynnchurch Capital portfolio company) has acquired Harbor Foam, an expanded polystyrene (EPS) manufacturer headquartered in Grandville, Michigan. The add-on expands Alleguard's EPS manufacturing and distribution capabilities to better serve its Midwest customer base across construction, packaging, recreational vehicle and general industrial end markets.