Single Family Home for sale by owner in O Brien, FL 32071. To view many, many pictures of the property, the outbuildings and the house inside, please visit: PlantationForSale.Blogspot.com The property is very private, fully fenced and gated on 6.06 acres, conveniently located just off US 129 in O'Brien. It is surrounded by pasture, woods and pine trees. Close to Springs, Suwannee, Santa Fe & Ichetucknee Rivers. 3 minutes to gas station / post office / feed store. 6 miles to Branford. Well, centr... See site for full property details.