Continuum Ventures-backed Walstrom Marine, a marine transportation company that offers wood restoration, electronic installations, and storage services, completed the acquisition of Grand Bay Marine, a boat dealer and service center. Financial terms were not disclosed. “We are honored to welcome Grand Bay Marine to the Walstrom Marine family. Grand Bay Marine has built a strong customer base and a leading position in the Traverse City market. Grand Bay Marine’s dedicated staff and expertise in the marine industry will be an asset to Walstrom Marine and all our Northern Michigan clients. With the addition of the Regal brand to the broader Walstrom Marine business, we continue to build our offering and drive our long-term strategy to be the premier Marine operator across the Great Lakes,” Tom Ervin, Walstrom Marine President.