Silverthorn Resort Associates is a full-service marina and launch facility on Shasta Lake offering 125 parking spaces for vehicles with trailers, boat rentals, and a range of amenities including a restaurant, convenience store, lodging, and tackle shop.

The facility accommodates boats between 40-56 feet and provides services such as oil disposal and sewage pumpout. Located at 16250 Silverthorn Rd in Redding, it's open to the public and managed by the US Forest Service.