Hi Martin,
I know and stayed at 2 campgrounds on east central Florida. The first is not too badly priced considering the location, it is a state park and reservations are highly recommended and the sooner you make them the better. Here's the link
http://floridastateparks.reserveame...roundDetails.do?contractCode=FL&parkId=281024.
Site 23, 21, 19 and maybe 17 are the best. They are on the ocean side and have no vegetation to obstruct the ocean view. They are almost impossible to get, but you never know. All sites are so closed to the water that you will sleep to the sound of the waves.
The other one is private and pricey like $80.00 for a night without utilities but if it is a dream you have the whole experience there. I backed the van and slept with the doors opened. You couldn't get any closer than that. If you decide to go there ask for a ocean view as far away from the spot lights as possible, so you really can see the ocean from your back door at night. Once again you probably want to reserve but you don't have to do it as much ahead of time as you would at the State Park.
http://beverlybeachcamptown.com/
A third place in the same area is
http://www.palmcoastandtheflaglerbe.../30270602-Flagler-By-the-Sea-Campgrounds.stml
I never stayed there. It is also a private campground but way less pricey than Beverly. I don't know what that one is like.
If you want to get all the way down to the Keys, there is an other State Park there right on the ocean.
https://www.floridastateparks.org/park/Long-Key
Once again you need reservation. You will be right on the beach there too but the wave are quiet around the Keys. It's a very different side of the ocean. One thing that I find extremely difficult to put up with in the Keys is the 'no-seem'(SP?). They are a mini version of mosquitos, they leave you with a burning itch. If you are one of the lucky one that is not bothered by mosquitos the no-seem will probably will leave you alone. The Keys are an expensive place to visit but quite unique.
I'm sure there are others but these are the only ones I know. Google map/earth is a good tool to find more. I just remember that Glen at 'tosimplify.net' stayed in Florida a few years ago and find quite a few stealth ocean view spots. It probably would be worth your while to explore his blog, if I'm not mistaken it was about 5 years ago so you will have to go back quite a way.
I'm not sure what kind of ocean you are picturing in that dream of yours so beware of the difference between the east coast with it's bigger and noisier waves. The Keys with it's very calm and quiet waves, the panhandle more like the east coast, and the west coast with medium size waves.
I'm so glad for you that you are finally getting on the road.
Nicole