Zone I

  1. Zone IA
  2. Zone IB
  3. Zone IC
  4. Zone ID
  5. Zone IE

Colonial Downtown DistrictZone IA is in the colonial downtown district and contains archaeological deposits dating from the 1600s onward. Notable landmarks include the Castillo de San Marcos National Monument, the City Gate, and the Cubo Line. European settlement in this subzone initially occurred on an elevated dune ridge (along present-day St. George Street) and spread east and west during the late 1600s to early 1700s.