Poinciana Gardens Investment. Very close to developed homes. Hardly any vacant land left this close to the coast in Martin County! Currently no paved roads. Zoned: Vacant Residential. No HOA. These lots are close to the preserve, golf courses, and just minutes from the beach. A 0.222 acre Vacant Lot (8,712 sqft) in the developed section of Poinciana just sold for $132,000! Homes in the neighborhood are selling for $600-$900k.