Heeney Marina Boat Ramp at Green Mountain Reservoir offers convenient boat launch access with no launch fee, though day-use parking requires a fee.

The facility includes amenities such as boat rentals, fuel sales, a marina store, vault toilets, and boat slip rentals, with mandatory aquatic nuisance species inspections available on-site.

Located 16 miles north of Silverthorne on Highway 9, the marina operates seasonally from mid-May with hours from 7:00 AM to 7:00 PM.