Under contract-accepting backup offers. Situated in the heart of Rainbow Park, this residential lot measures 74 by 130 feet. Located outside the flood zone, with no wetlands or protected species, this lot is shovel-ready and primed for development. Seller financing, Low down payments, flexible terms up to 6 years, and fixed monthly payments. Quick approval with no banks. Build equity you can later use to build your home with us. Try our payment calculator online or call us to learn more about our financing options. Rainbow Park Florida is an unincorporated community in Marion County. Rainbow Park is located just north of Rainbow Springs and Dunnellon and about 20 miles south of Williston on U.S. HWY 41. This is a quaint little place to live.