Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Island View Park | Park | 0 | Miami-Dade | 25 47 34 N | 080 08 41 W |
| Islandia | Populated Place | 1 | Miami-Dade | 25 22 41 N | 080 15 09 W |
| Isle of Normandy | Populated Place | 1 | Miami-Dade | 25 51 10 N | 080 08 06 W |
| Isle of Palms | Island | 0 | Pinellas | 27 46 41 N | 082 45 59 W |
| Isle of Palms | Populated Place | 2 | Duval | 30 17 03 N | 081 25 45 W |
| Isle of Palms South | Populated Place | 3 | Duval | 30 16 04 N | 081 25 57 W |
| Isle of Sicily | Island | 21 | Orange | 28 37 00 N | 081 20 52 W |
| Isleboro | Populated Place | 3 | Volusia | 29 03 56 N | 080 56 49 W |
| Isles of Capri | Populated Place | 0 | Collier | 25 58 58 N | 081 43 39 W |
| Islet Pond | Swamp | 23 | Osceola | 28 17 50 N | 081 03 55 W |
| Isleworth Railroad Station | Locale | 35 | Orange | 28 28 54 N | 081 31 36 W |
| Issac Hendricks Grant | Civil | 6 | Duval | 30 17 17 N | 081 35 33 W |
| Istachatta | Populated Place | 18 | Hernando | 28 39 36 N | 082 16 39 W |
| Istokpoga | Populated Place | 15 | Highlands | 27 24 49 N | 081 21 04 W |
| Istokpoga Canal | Canal | 13 | Highlands | 27 23 32 N | 081 10 22 W |
| Istokpoga Creek | Stream | | Highlands | 27 24 58 N | 081 08 37 W |
| It's A Small World Learning Center | Building | | Miami-Dade | 25 49 22 N | 080 16 35 W |
| Italia | Populated Place | 6 | Nassau | 30 36 60 N | 081 43 01 W |
| Itchepackesassa Creek | Stream | | Hillsborough | 28 08 15 N | 082 07 07 W |
| Its A Small World Preschool | School | 4 | Miami-Dade | 25 45 11 N | 080 14 14 W |
| Ivan | Populated Place | 4 | Wakulla | 30 13 25 N | 084 21 44 W |
| Ivan Church | Church | 1 | Wakulla | 30 07 46 N | 084 17 00 W |
| Ivanhoe Park | Park | 28 | Orange | 28 33 51 N | 081 23 12 W |
| Ivanhoe Plaza | Locale | 32 | Orange | 28 31 16 N | 081 20 59 W |
| Ives Dairy Industrial Park | Locale | | Miami-Dade | 25 57 43 N | 080 10 11 W |
| Ives Dairy Road Christian School | School | | Miami-Dade | 25 57 54 N | 080 10 48 W |
| Ives Estate Park | Park | | Miami-Dade | 25 57 57 N | 080 10 29 W |
| Ives Estates | Populated Place | 3 | Miami-Dade | 25 57 44 N | 080 10 36 W |
| Ives Estates Park | Park | 2 | Miami-Dade | 25 57 56 N | 080 10 24 W |
| Ives Railroad Station | Locale | 12 | Brevard | 28 22 09 N | 080 44 14 W |
| Ives School | School | 2 | Miami-Dade | 25 58 01 N | 080 10 30 W |
| Ivey Cemetery | Cemetery | 22 | Suwannee | 30 06 22 N | 083 12 43 W |
| Ivey Lane Elementary School | School | 30 | Orange | 28 32 39 N | 081 26 15 W |
| Ivy Stag Lake | Lake | 22 | Pasco | 28 24 26 N | 082 10 47 W |
| Ixlater Lake | Lake | 1 | Miami-Dade | 25 43 52 N | 080 15 37 W |
| Izagora | Populated Place | 25 | Holmes | 30 54 37 N | 085 50 30 W |
| J & I Christian Academy 2nd Campus | School | | Miami-Dade | 25 58 12 N | 080 15 43 W |
| J and C MacArthur Foundation Heliport | Airport | 4 | Palm Beach | 26 49 47 N | 080 06 01 W |
| J and E Ormond Grant | Civil | 1 | Volusia | 29 23 52 N | 081 07 42 W |
| J B Entralgo Grant | Civil | 5 | Putnam | 29 40 57 N | 081 39 36 W |
| J B Gaudry Grant | Civil | 21 | Volusia | 29 04 29 N | 081 21 30 W |
| J Bachlott Grant | Civil | 2 | Duval | 30 31 33 N | 081 30 42 W |
| J Bar J Trailer Ranch | Populated Place | | Miami-Dade | 25 50 39 N | 080 14 42 W |
| J C Headley Pond | Lake | 26 | Leon | 30 24 53 N | 084 08 46 W |
| J C Mitchell Adult Education Center | School | | Palm Beach | 26 22 22 N | 080 05 23 W |
| J D Milton Farm Airport | Airport | 38 | Jackson | 30 53 01 N | 085 11 29 W |
| J Daniel 'Dan' Jenkins Middle School | School | 45 | Polk | 28 06 08 N | 081 37 32 W |
| J E B Stuart Junior High School | School | 5 | Duval | 30 15 18 N | 081 44 15 W |
| J Frank Smith Pond | Lake | 44 | Gadsden | 30 40 32 N | 084 28 30 W |
| J Graham Black-Joseph W McAlpin Bridge | Bridge | 33 | Hamilton | 30 19 46 N | 082 45 34 W |
| J H Hendrie Farms Airport | Airport | 38 | Highlands | 27 05 05 N | 081 19 42 W |
| J H Miller Junior Pond | Lake | 40 | Holmes | 30 52 41 N | 085 38 20 W |
| J Hamilton Welch Academy | School | 3 | Lee | 26 35 14 N | 081 53 36 W |
| J Ingraham Early Childhood Development Center | Building | | Miami-Dade | 25 48 45 N | 080 08 01 W |
| J J Finley Elementary School | School | 49 | Alachua | 29 39 22 N | 082 20 54 W |
| J Jones Grant | Civil | 2 | Duval | 30 23 09 N | 081 38 23 W |
| J L Sanchez and Others Grant | Civil | 33 | Alachua | 29 55 26 N | 082 29 21 W |
| J L Wilkinson School | School | 36 | Clay | 30 04 57 N | 081 56 37 W |
| J M Hanson Grant | Civil | 6 | Duval | 30 14 17 N | 081 37 03 W |
| J M Sanchez Grant | Civil | 3 | Volusia | 29 06 35 N | 080 58 34 W |
| J M Wise Pond | Lake | 81 | Walton | 30 55 18 N | 086 16 14 W |
| J N "Ding" Darling Wilderness | Reserve | 0 | Lee | 26 28 04 N | 082 07 37 W |
| J N Darling National Wildlife Refuge | Park | -2 | Lee | 26 27 49 N | 082 05 23 W |
| J P Taravella High School | School | 3 | Broward | 26 13 56 N | 080 16 09 W |
| J Peavett Grant | Civil | 7 | Duval | 30 15 14 N | 081 27 19 W |
| J R Alford Greenway | Park | 25 | Leon | 30 26 46 N | 084 10 00 W |
| J R Alford Pond | Lake | 14 | Leon | 30 27 22 N | 084 10 09 W |
| J S Sanchez and Others Grant | Civil | 29 | Alachua | 29 45 14 N | 082 26 20 W |
| J Summeral Grant | Civil | 4 | Putnam | 29 39 56 N | 081 36 51 W |
| J T Budd Pond | Lake | 24 | Gadsden | 30 27 36 N | 084 30 12 W |
| J W Corbett Wildlife Management Area | Park | 7 | Palm Beach | 26 53 46 N | 080 24 59 W |
| J-22 Ranch Airport | Airport | 60 | Santa Rosa | 30 43 31 N | 087 12 04 W |
| Jabo Camp | Locale | 0 | Taylor | 29 52 36 N | 083 37 37 W |
| Jacaranda School | School | 1 | Broward | 26 06 21 N | 080 15 29 W |
| Jacaranda Shop Plaza | Locale | 1 | Broward | 26 08 56 N | 080 15 33 W |
| Jack and Jill Elementary School | School | | Broward | 26 07 18 N | 080 09 32 W |
| Jack Bank | Bar | 2 | Monroe | 24 48 20 N | 081 17 02 W |
| Jack Bay | Bay | 58 | Holmes | 30 42 17 N | 085 59 43 W |
| Jack Bay | Swamp | 41 | Holmes | 30 42 25 N | 086 00 32 W |
| Jack Bay | Swamp | 62 | Walton | 30 53 43 N | 086 08 60 W |
| Jack Branch | Stream | | Okaloosa | 30 52 02 N | 086 34 10 W |
| Jack Branch | Stream | | Okaloosa | 30 51 53 N | 086 29 51 W |
| Jack Browns Seaplane Base | Airport | 42 | Polk | 28 03 27 N | 081 45 23 W |
| Jack Cabler Park | Park | 5 | Palm Beach | 26 30 18 N | 080 07 10 W |
| Jack Channel | Channel | 2 | Monroe | 24 36 06 N | 081 48 41 W |
| Jack Clay Hammock | Island | 2 | Miami-Dade | 25 51 30 N | 080 49 30 W |
| Jack Creek | Stream | | Calhoun | 30 33 45 N | 085 15 45 W |
| Jack Creek | Stream | | Highlands | 27 22 19 N | 081 24 27 W |
| Jack Creek | Stream | | Taylor | 29 41 19 N | 083 28 48 W |
| Jack Daniels Key | Island | 0 | Monroe | 25 48 10 N | 081 25 50 W |
| Jack David Gordon Elementary School | School | | Miami-Dade | 25 37 43 N | 080 25 48 W |
| Jack Davis Cut | Channel | 0 | Brevard | 28 34 31 N | 080 36 19 W |
| Jack Davis Island | Island | 0 | Brevard | 28 35 29 N | 080 36 22 W |
| Jack Hammock | Island | 17 | Osceola | 27 52 37 N | 081 11 22 W |
| Jack Island | Island | 0 | St. Lucie | 27 29 47 N | 080 18 57 W |
| Jack L Wilkinson School | School | 4 | Clay | 30 03 41 N | 081 52 21 W |
| Jack Lake | Lake | 7 | Calhoun | 30 20 23 N | 085 08 57 W |
| Jack Lake | Lake | 11 | Lake | 28 56 05 N | 081 24 54 W |
| Jack Lake | Reservoir | 1 | Okaloosa | 30 27 34 N | 086 31 10 W |
| Jack Lee Island | Locale | 1 | Taylor | 29 49 53 N | 083 36 01 W |
| Jack O'Neck Island | Island | 6 | Flagler | 29 33 34 N | 081 26 51 W |
| Jack Point | Cape | 0 | Lee | 26 46 01 N | 082 15 03 W |
| Jack Pond | Lake | 75 | Walton | 30 50 56 N | 086 05 25 W |
| Jack Wright Island | Island | 2 | St. Johns | 29 58 38 N | 081 34 36 W |
| Jack Wright Island | Island | 3 | St. Johns | 29 58 44 N | 081 34 42 W |
| Jack-N-Jill Child Development Center | School | 1 | Martin | 27 10 53 N | 080 15 27 W |
| Jackass Key | Island | 0 | Pinellas | 27 40 10 N | 082 43 02 W |
| Jackfish Island | Island | 0 | Collier | 25 53 31 N | 081 37 04 W |
| Jackie Gleason Theater of the Performing Arts | Building | | Miami-Dade | 25 47 33 N | 080 08 01 W |
| Jacks Boat Basin | Basin | -3 | Pinellas | 27 47 18 N | 082 46 56 W |