Spencer Spit State Park is a 138-acre marine and camping park situated on Lopez Island
in the Strait of Juan de Fuca. The park is named for the lagoon-enclosing sand spit on which it rests.The park has 37 tent spaces, one dump station and two restrooms. There are no showers or hookups.The park has a reputation for excellent crabbing, clamming and "car-top boating." This is one of the few state parks in the San Juan Islands
that is accessible by automobile. A sand spit encloses a saltchuck lagoon.
Spencer Spit is an example of a sandspit enclosing a saltchuck lagoon. The spit was formed over a long period of time by the action of wind and tide. The spit is constantly changing. Eventually, it could fill with sediment and lose all its water.Other recreation opportunities include fishing, clamming, and beachcombing.