Grebe Campground offers 34 basic campsites situated 1. 5 miles from the park entrance around Lake Casitas, featuring picnic tables, fire pits, and shared water spigots approximately every 5 sites.

Each site includes nearby restroom facilities and a playground, with rates of $40 weekdays and $46 weekends.

Note that Lake Casitas prohibits body contact with water (no swimming or wading), though boating and fishing are permitted with vessel inspection requirements.