We have stopped here to camp on several occasions, but it is always full. Last night 8-13-2020 was the same. Maybe online reservation is the best way to go.
Utah has such a wide variety of geology and Goblin Valley campground is in the middle of it. Sites are a bit close together, but they have shelters over the tables and there are some walk-in tent sites that are more secluded. Nice, free showers too.
Goblin Valley State park is located on off of Hwy 24 between Hanksville and Green River UT, This is a 24 site campground inside the park. There are 14 Vehicle / RV sites and 10 tent only. There are also two yurts to rent. The campground is in good condition, Each site has a paved parking spot, four are pull through ADA spots for bigger RV's. There are fire pits, picnic tables, and tent pads at each site. There are also sunshade structures at each site. Note: be careful when you pick a site online, a few structures face into the afternoon sun, we chose poorly, we had to put up a tarp for shade. There are flush toilets and showers located in the one restroom. There is also a pit toilets up near the yurts The park is super family friendly and there are a lot of areas to explore. So the CG will have a good amount of families and kids. That didn't bother us, we enjoyed seeing all the kids explore the goblins and rock formations near the CG. There is a big group site too which looks to cost $100 on the reservation site. There is a dump staion and trash dumpsters located across from the rest room. There are potable water spigots located throughout the CG.
The CG gives direct access to the Curtis Bench Trail and the Entrada Canyon trail. You can hike and Mt. Bike right from the CG to all areas of the park. Some notable hikes are the Three Sister, Carmel Canyon, and Goblins Lair, which is actually the Mollys Castle overlook trail.