Lot In Dunnellon, Florida For Sale. Build now or buy for investment! This lot is not in a flood zone and there is no wetland on the property. The lot is buildable and zoning allows the placement of the modular homes on the lot.No mobile or manufactured homes are allowed.RV parking is allowed, but you cannot live in an RV. You cannot park RV at a vacant lot as well. The minimum size to build is 1000 sqft. Setbacks: 25ft front and back, 8ft on the sides. Zoning is Single Family Dwelling. The north-central city of Dunnellon lies west of Ocala and north of Homosassa. This small town is located on the Rainbow and Withlacoochee rivers and bills itself as the Treasure of the Nature Coast. Dunnellon has something to offer everyone: from beautiful Rainbow Springs State Park and the awesome rivers to strolling the lovely tree-lined streets of the Dunnellon Historic District. A lot of activities like riverboat ride, tubing, swimming, kayaking down the river, and fishing.