The homes Southside Jacksonville Florida is bordered by Arlington on the north, St. Johns County to the south, and San Marco and I-95 to the west. This southernmost area of Jacksonville is in the midst of all the other Jacksonville communities. Southside has the largest grouping of apartment communities. Many of the developments are new. Commuting, shopping, and recreation are all at your fingertips. Housing available includes single-family homes, condominiums and apartment complexes.  Residents enjoy plentiful dining and entertainment, easy access to the beaches, and local golf courses.  The Southside is any homeowner’s dream offering convenience and attractive home prices.