The Caspar Headlands State Beach is a state park and protected beach in Mendocino, California. It is named after the nearby village of Caspar.

The Caspar Headlands State Beach was established in the year 2000 in efforts to preserve the area which is rich in wildlife. The area is well known for migrating gray whales as well as several other plant and animal species, making it important to conserve the area so it can continue to provide refuge for these creatures.

Aside from its environmental role, the site is also a well known recreation area. Visitors can enjoy fishing, boating, hiking, wildlife viewing, and swimming at the site that is composed of miles of undeveloped beach. A day use park, it is only open from sunrise until sunset.