Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Lungren Island | Island | 0 | Volusia | 29 08 38 N | 081 30 54 W |
| Lungrun Cove | Bay | 28 | Pinellas | 28 03 49 N | 082 47 00 W |
| Luraville | Populated Place | 25 | Suwannee | 30 07 21 N | 083 10 09 W |
| Luria Plaza | Locale | 5 | Palm Beach | 26 40 27 N | 080 06 55 W |
| Lurias Plaza | Locale | 7 | Indian River | 27 37 39 N | 080 23 47 W |
| Luther High School | School | 29 | Orange | 28 29 26 N | 081 24 09 W |
| Luther Rice Seminary/Bible College | School | 6 | Duval | 30 16 49 N | 081 38 59 W |
| Lutheran Central School | School | 1 | Broward | 26 06 35 N | 080 08 48 W |
| Lutheran Christian Day School | School | 4 | Miami-Dade | 25 43 46 N | 080 17 04 W |
| Lutheran Church | Church | 32 | Orange | 28 33 11 N | 081 22 27 W |
| Lutheran Church and School Epiphany | School | 42 | Leon | 30 28 36 N | 084 15 45 W |
| Lutheran Church Good Shepherd | Church | 25 | Seminole | 28 48 36 N | 081 54 34 W |
| Lutheran Church Grace | Church | 5 | Volusia | 29 17 06 N | 081 03 14 W |
| Lutheran Church of Our Saviour | Church | 2 | Hillsborough | 27 52 51 N | 082 29 29 W |
| Lutheran Church of Providence | Church | 21 | Volusia | 28 54 31 N | 081 14 19 W |
| Lutheran Church of Saint Michael | Church | 30 | Leon | 30 24 21 N | 084 16 25 W |
| Lutheran Church of the Good Shepherd | Church | 9 | Pinellas | 27 51 56 N | 082 47 24 W |
| Lutheran Church of the Good Shepherd | Church | 14 | Pinellas | 27 52 31 N | 082 49 59 W |
| Lutheran Church of the Incarnation | Church | 41 | Marion | 29 10 11 N | 082 07 59 W |
| Lutheran Church of the Redeemer | Church | 9 | Seminole | 28 48 01 N | 081 16 04 W |
| Lutheran Church of the Redeemer School | School | 4 | Brevard | 28 04 03 N | 080 35 59 W |
| Lutheran Church Saint Stephen | Church | 39 | Leon | 30 25 21 N | 084 16 35 W |
| Lutheran Emmanuel Church | Church | 2 | Collier | 26 08 56 N | 081 48 24 W |
| Lutheran High School of Pinellas County | School | 6 | Pinellas | 27 45 29 N | 082 42 44 W |
| Lutheran High School of South Florida | School | 2 | Broward | 26 04 26 N | 080 14 51 W |
| Lutheran Ministries of Floria-Broward | Church | 1 | Broward | 26 10 16 N | 080 08 34 W |
| Lutheran Ministry in Christ ALC | Church | 4 | Broward | 26 16 21 N | 080 13 14 W |
| Lutheran Trinity Church | Church | 2 | Volusia | 29 11 51 N | 081 01 19 W |
| Lutrell Island | Island | 1 | Citrus | 28 59 01 N | 082 44 14 W |
| Lutterloh | Populated Place | 7 | Leon | 30 19 43 N | 084 15 11 W |
| Lutterloh Pond | Lake | 7 | Leon | 30 21 13 N | 084 13 37 W |
| Lutz | Populated Place | 21 | Hillsborough | 28 09 04 N | 082 27 41 W |
| Lutz Elementary School | School | 21 | Hillsborough | 28 08 50 N | 082 27 34 W |
| Lydia Church | Church | 12 | Dixie | 29 39 08 N | 083 10 03 W |
| Lykes Brighton Airport | Airport | 7 | Glades | 27 11 21 N | 081 05 12 W |
| Lykes Brothers Pond | Lake | 10 | Glades | 26 54 38 N | 081 16 47 W |
| Lykes Lookout Tower | Tower | 12 | Glades | 26 49 14 N | 081 26 36 W |
| Lykes Memorial Hospital | Hospital | 35 | Hernando | 28 33 01 N | 082 23 57 W |
| Lykes Palmdale Airport | Airport | 12 | Glades | 26 56 53 N | 081 19 06 W |
| Lyle Corner | Populated Place | 41 | Polk | 27 54 47 N | 081 52 10 W |
| Lyman High School | School | 25 | Seminole | 28 40 53 N | 081 20 46 W |
| Lymnology Lab | School | 20 | Lake | 28 50 58 N | 081 41 36 W |
| Lynch Elementary School | School | 2 | Pinellas | 27 50 16 N | 082 39 32 W |
| Lynchburg | Populated Place | 49 | Polk | 28 05 17 N | 081 45 18 W |
| Lyndon B Johnson Junior High School | School | 7 | Brevard | 28 08 31 N | 080 39 14 W |
| Lynn | Populated Place | 21 | Marion | 29 10 26 N | 081 52 06 W |
| Lynn Haven | Populated Place | 4 | Bay | 30 14 44 N | 085 38 54 W |
| Lynn Haven Bayou | Bay | 2 | Bay | 30 14 43 N | 085 39 42 W |
| Lynn Haven Cemetery | Cemetery | 5 | Bay | 30 14 09 N | 085 37 44 W |
| Lynn Haven Elementary School | School | 4 | Bay | 30 14 41 N | 085 39 05 W |
| Lynn Haven Golf Course | Locale | 4 | Bay | 30 15 08 N | 085 37 45 W |
| Lynne | Populated Place | 21 | Marion | 29 11 33 N | 081 55 02 W |
| Lynwood Church | Church | 7 | Duval | 30 15 07 N | 081 44 23 W |
| Lyons Bay | Bay | 0 | Sarasota | 27 07 24 N | 082 27 48 W |
| Lyons Creek Middle School | School | | Broward | 26 18 37 N | 080 10 53 W |
| Lyons Park | Populated Place | 1 | Broward | 26 12 52 N | 080 07 37 W |
| Lyons Shopping Center | Locale | 2 | Broward | 26 12 44 N | 080 07 27 W |
| Lyratta Dock | Locale | 0 | Brevard | 28 46 19 N | 080 50 33 W |
| Lytle School | School | 5 | Duval | 30 19 10 N | 081 40 47 W |
| M and M Kids Day Care Center | Building | | Miami-Dade | 25 41 13 N | 080 22 11 W |
| M Canal | Canal | 6 | Palm Beach | 26 45 54 N | 080 18 08 W |
| M E Levy Grant | Civil | 11 | Volusia | 29 07 59 N | 081 15 52 W |
| M Kunner Grant | Civil | 1 | Volusia | 29 23 47 N | 081 06 53 W |
| M Lake | Lake | 29 | Clay | 29 48 56 N | 081 54 26 W |
| M S Thomas Bridge | Bridge | 33 | Leon | 30 26 16 N | 084 16 35 W |
| M-Q Ranch | Locale | 13 | Volusia | 28 54 22 N | 081 12 14 W |
| Mabel | Populated Place | 31 | Sumter | 28 34 46 N | 081 58 37 W |
| Mabel Porter Pond | Lake | 31 | Washington | 30 26 14 N | 085 36 16 W |
| Mabry School | School | 5 | Hillsborough | 27 55 46 N | 082 30 51 W |
| Mac Steverson Pond | Lake | 18 | Holmes | 30 51 17 N | 085 51 38 W |
| Macclenny | Populated Place | 40 | Baker | 30 16 56 N | 082 07 19 W |
| Macclenny Elementary School | School | 40 | Baker | 30 16 35 N | 082 07 10 W |
| MacDill Railroad Station | Locale | 3 | Hillsborough | 27 51 43 N | 082 31 01 W |
| MacDonald Creek | Stream | | Levy | 29 00 44 N | 082 45 28 W |
| Mace Ranch Airstrip | Airport | 15 | Indian River | 27 48 37 N | 080 51 31 W |
| Macedonia | Locale | 36 | Calhoun | 30 32 04 N | 085 03 07 W |
| Macedonia Baptist Church | Church | 10 | Bay | 30 11 46 N | 085 39 55 W |
| Macedonia Baptist Church | Church | 47 | Bradford | 29 51 52 N | 082 07 20 W |
| Macedonia Baptist Church | Church | 4 | Broward | 26 14 07 N | 080 09 06 W |
| Macedonia Baptist Church | Church | 0 | Collier | 26 07 46 N | 081 47 49 W |
| Macedonia Baptist Church | Church | 7 | Duval | 30 20 41 N | 081 40 44 W |
| Macedonia Baptist Church | Church | 2 | Escambia | 30 24 31 N | 087 12 20 W |
| Macedonia Baptist Church | Church | 14 | Volusia | 29 00 51 N | 081 18 44 W |
| Macedonia Church | Church | 24 | Baker | 30 20 07 N | 082 08 36 W |
| Macedonia Church | Church | 35 | Calhoun | 30 32 04 N | 085 03 09 W |
| Macedonia Church | Church | 5 | Dixie | 26 54 50 N | 080 36 45 W |
| Macedonia Church | Church | 57 | Gadsden | 30 31 09 N | 084 38 58 W |
| Macedonia Church | Church | 6 | Indian River | 27 48 49 N | 080 28 47 W |
| Macedonia Church | Church | 40 | Jackson | 30 42 03 N | 085 25 58 W |
| Macedonia Church | Church | 31 | Jackson | 30 55 07 N | 084 59 16 W |
| Macedonia Church | Church | 48 | Jefferson | 30 30 03 N | 083 52 43 W |
| Macedonia Church | Church | 31 | Jefferson | 30 32 14 N | 083 47 09 W |
| Macedonia Church | Church | 50 | Jefferson | 30 36 38 N | 083 39 34 W |
| Macedonia Church | Church | 26 | Madison | 30 26 40 N | 083 20 02 W |
| Macedonia Church | Church | 26 | Osceola | 28 20 01 N | 081 23 42 W |
| Macedonia Church | Church | 35 | Polk | 27 53 41 N | 081 46 27 W |
| Macedonia Church of the Living God | Church | | Lake | 28 49 44 N | 081 53 28 W |
| Macedonia Missionary Baptist Church | Church | 7 | Hillsborough | 27 59 16 N | 082 27 34 W |
| Macedonia Missionary Baptist Church | Church | 27 | Orange | 28 37 11 N | 081 22 39 W |
| Macedonia Primitive Baptist Church | Church | 46 | Leon | 30 26 16 N | 084 18 45 W |
| Macedonia Primitive Baptist Church | Church | 50 | Polk | 28 01 56 N | 081 57 44 W |
| Macedonia United Freewill Baptist Church | Church | 38 | Orange | 28 33 56 N | 081 34 19 W |
| Maceo Park | Park | 1 | Miami-Dade | 25 46 44 N | 080 16 44 W |
| MacFarlane Park | Park | 9 | Hillsborough | 27 57 31 N | 082 29 43 W |
| MacFarlane Park School | School | 9 | Hillsborough | 27 57 29 N | 082 29 34 W |
| Machine Branch | Stream | | Walton | 30 47 49 N | 086 18 02 W |
| MacIvor and Friends Airstrip | Airport | 1 | Broward | 26 02 42 N | 080 22 23 W |
| Mack Bay | Swamp | 41 | Holmes | 30 58 12 N | 086 00 04 W |
| Mack Bayou | Stream | | Walton | 30 24 10 N | 086 18 06 W |
| Mack Branch | Stream | | Okaloosa | 30 55 03 N | 086 26 15 W |