Santa Margarita Lake Access provides a full-service marina with boat launch facilities, offering rentals (fishing boats, pontoons, kayaks, and canoes) and a convenience store with fuel, ice, and fishing supplies.

The facility features 55 parking spaces for vehicles with trailers, two boarding floats, and dry storage capacity for up to 30 boats, with boats ranging from 16-24 feet in length.

Day-use access is $10 per vehicle, and the marina operates Thursday-Monday, 8am-4pm, with the last boat rental departing by 2pm.