If you can't get into any parks in FL consider Gulf Shores State Park in Gulf Shores Al 8 miles west of Fl line. The sites are great and the park is clean and all sites are full hookups. There is no cable but you can get 30 digital chanels.
I have been here a month and love it. You are close to the beach and there are bicycle trails as well as hiking trails.
Bella Terra is no good as it is out in the middle of no where and much too expensive.
There are 2 other nice campgrounds in the area but not near the beach, Gulf Breeze and AnchorsAweigh.
2014 Winnebago Adventurer 35P,Ford F-53, V-10
2011 Ford Escape,2000 Roadmaster Tow Dolly
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