The Abalone, Penn Creek, and Agate Beach campgrounds have 124 family campsites, each with a table, stove, and cupboard. Dog are allowed on a leash in the campgrounds, picnic areas and along paved roads, but they are not permitted on the beaches or on park trails.
In the good weather months, these campgrounds are very popular and reservations can be make up to six months in advance. 
Park info:
This 640-acre park is one of the best parks in Humboldt County.  The dramatic shorelines, tree-lined walking trails and spectacular views are only a few of the activities you'll find here.  Whether you're looking for some time at the beach, some peaceful serenity or a popular place to camp, Sue-meg State Park has it all.
How to get there:
From Highway 101 South; take the Patrick's Point Drive exit and follow it toward Trinidad.  The park entrance will be on your right.
From Highway 101 North; take the Main Street exit toward Trinidad.  After you go under the highway, make the right onto Patrick's Point Drive and follow it for a few miles.  The park entrance will be on your left.
More info:
While rare, bears have been known to enter the park.  Store your food appropriately.  Stop by the visitor center or check out the Park's Website for more information.  
Other things to do in the area: 
While in the park, be sure to visit;  Wedding Rock, Sumeg Village, Palmer's Point and Agate Beach.  Trinidad State Beach is a few miles to the south.  Big Lagoon County Park is a short drive north. 
*Click on the photos below to enlarge them