This is a good-sized campground with loops on either side of the road. None of the sites offer much privacy and in the busy season you can feel pretty packed in. But the location is awesome due to its proximity to the Silver Lake Off Road Vehicle Area, Lake Michigan, Silver Lake and the Little Sable Point Lighthouse.
If you are into off-roading across sand dunes, this is the park to stay at, although this isn't by any means a quiet place to getaway. In addition to the dunes, which are available to off-road vehicles and pedestrians to enjoy, there's another part of the park that has a cool lighthouse from 1874 and there are some nice views all around the park.
Cell service was decent on Verizon but non-existent for a Google Fi phone (which uses Spring and T-Mobile towers).
Make sure you check your rig size against the site you are planning gon reserving as many sites have odd shapes or require some maneuvering due to the placement of trees and fire pits. Also, be aware that the road through the campground is quite narrow so you'll need to take your time and, if at all possible, arrive when you still have daylight available to see everything.
Note that 20 and 30 amp is available at all sites, but you often are sharing a power pole with several other sites.
Bathrooms were in good shape and offer unisex shower stalls outside the restrooms, which is always nice.