Heeney Marina at Green Mountain Reservoir offers boat rentals, fuel sales, a marina store, and boat ramp access with day-use fees (no launch fee). Mandatory boat inspections are required to prevent the spread of aquatic nuisance species.

The marina is located below the town of Heeney along County Road 30, approximately 16 miles north of Silverthorne on Highway 9, and operates from mid-May through the season.