I/we live in Grand Haven and have for over 74 years and see the state park and CG everyday. Yes, some sites can be shoe horn with a very big MH or a 36 ft plus 5th wheel or TT if the tow vehicle is and crew cab long box but many are not hard to get in at all. Extremely popular CG and full all Summer long and part of the Fall too. We see many 40 footer RV's there constantly and they keep coming back year after year so it can't be that bad to get in a site.
As for being a very large paved parking lot type CG, of course because if you attempt to put your vehicle wheels or the RV wheels off the pavement say hello to a big tow truck as your rig will be sitting on it frame with the wheel buried.
Obviously, it's a different kind of CG because it's true beach camping and you are surrounded by very soft pure beach sand and the gorgeous Lake Michigan and the wide deep Grand River that has up to 800' ships coming and going and hundreds to thousands of pleasure boats of all sizes. Your RV? It will only be your sleeping and a few meals adobe because you will be out and about every day and into the night. Many will be on the voted as one of the top 5 beaches in the USA with the constant things going on or, soaking up some rays, or swimming in the water or watching the gorgeous sunsets from the beach or pier when the sunsets. But that's just a teaser for so many more ventures awaiting.
Like the thousands do every day, walking on the 1/4 mile long pier, or walking the 3/4 mile long gorgeous boardwalk lined with neat park after park with gobs of seatback benches/restrooms/ice cream and food places to downtown and Chinook Pier or a charter fishing boat, past the marinas or just in the very clean upbeat downtown where there's constant free entertainment going on daily and/or eating/quenching your thirst or shopping etc, or at any of the so many other attractions and entertainment venues. Don't forget the worlds largest musical fountain of it's kind viewed from the downtown water front every night after the sun goes down. When finally dead dog tired, you simply make your way back to your waiting home on wheels to collapse so your can do more and more the next day.
Then there's the splash pad in downtown on the waterfront and Mulligan's Hollow with the huge kids Imagination Station, tennis courts, pickle ball courts, the skate park, picnic areas, the YMCA, etc. Might catch a ride on one of the trolleys or a tour (both have ultra cheap fares). The museum and on and on! Just a sampling and downtown doesn't roll up the streets when the sun goes down as it becomes even more inviting with venues. Heck, I didn't even touch on all the great fishing here and all you need is your pole and something for the fish to much on.
Just a few reasons the state park is always full and most of the 11 other CG's locally also and why people return year after year. So much to do but so little time! Living here is like living in a 5 star resort constantly and staying in the SP CG just wets your whistle and makes you beg for more! That's why we wouldn't even think of moving away from here since because being the best means all the others aren't as good!
A superb CC LB 4X4, GM HD Diesel, airbags, Rancho's, lots more
Lance Legend TC 11' 4", loaded including 3400 PP generator and my deluxe 2' X 7' rear porch
29 ft Carriage Carri-lite 5'er - a specially built gem
A like new '07 Sunline Solaris 26' TT