When we started wintering in Florida we were in Davenport, near Orlando. Very expensive but they had the amenities you want. There were lots of activities and lots of traffic. A few years ago we moved our winter base to the Sebring area. Much less expensive. Still lots of traffic if you are on US-27 in town, but things get rural pretty fast out of town. There are several parks along the US-27 corridor south of Lake Wales down through Lake Placid. You might find something there. Warmer than northern Florida, too. This is along the central ridge which seems to divert quite a few stormy days. We are 110' above sea level! That is a towering elevation for Florida.
There is also the US-17 corridor south of Winter Haven. Again, it starts to get rural pretty fast. If you do choose this area beware of being in lowlands along the Peace River. Our new neighbors here, around Sebring, were in Zolfo Springs. Their site flooded by several feet during hurricane Ian. They were away, but had a trailer with a motorcycle in it when the flood hit. Totaled.
Wayne