Good sized lot located in Marion county, Florida ! Build now or buy for investment. Fort McCoy is an area in Fort Mc Coy,Marion County,Florida with a population of 7,754. Small, humble community. Fort McCoy is an unincorporated community in Marion County, Florida, United States. It is situated northeast of Ocala and lies between the towns of Sparr and Eureka on County Road 316 and is directly north of Silver Springs on County Road 315. The community is part of the Ocala Metropolitan Statistical Area. Closing costs: Approx $500 All properties come with warranty deed and close through title company with title insurance. Call Anytime! (877)231-LAND ext.705 Ask for Rina.