Barrios de Florida J
- Jacaranda (32)
- Jackson Heights (3)
- Jacksonville Farms/Terrace (29)
- Jacksonville Heights (55)
- Jacksonville Heights South (16)
- Jacksonville Heights West (12)
- Jacksonville North Estates (5)
- Jamestown (4)
- Jasmine Estates (43)
- Joel (63)
- Johns Lake (4)
- Jonathan's Landing (12)
- Julington Creek (2)
- Jungle Terrace (5)
- Jupiter Dunes (8)
- Jupiter Farms (10)
- Jupiter Harbour (4)
- Jupiter Lakes (4)
- Jupiter Village (8)