Kirkwood Resort & Marina offers two seasonal convenience stores. The North Shore Store is located  on the north side of Highway 287 and the Marina Store is located in the Boathouse on the south side of the highway.  Gas is available at both store locations via credit card or cash when the stores are open.
The Marina Boathouse Store is open seasonally during open water and ice fishing seasons. Beverages, ice, snacks, bait, fishing tackle, camping and water recreation supplies and propane bottle exchanges are available there, where you also pay boat launch, slip, and dry dock fees and check in for watercraft rentals. Montana fishing licenses are available to purchase online at the Boathouse Store with a credit card.
The North Shore Store is a convenience and gourmet market with deli foods, snacks and beverages, including an impressive selection of beer and wine, and personal supplies.