Poinciana Gardens Investment. Property is close to the preserve. Possible future corner lot. There are presently no paved roads. Hardly any vacant land left this close to the coast in Martin County! Homes are selling for over $600k on 10,000 sf lots in the most recent developed block in this neighborhood. Most recent buildable lot sold for $95k on 9,365 sf. Lot 32 is also available for 34,900.