TowerCensus

Antenna structures in Monroe County, Florida

At a glance

Monroe County, Florida has 140 FCC-registered antenna structures, 71 of them marked constructed. That is the 25th-largest count among the 67 Florida counties with registrations, and 1.4% of the state's 10,193. The tallest constructed structure in the county is registration 1053369 near Cudjoe Key at 185 m (607 ft).

Dataset updated . Refreshed from the FCC ASR weekly bulk database.

Registered structures
140
Constructed
71
Avg height
57 m
Tallest standing
185 m

How does Monroe County compare with the rest of Florida?

With 140 registrations, Monroe County ranks 25th of 67 counties in Florida; Miami-Dade County leads the state with 811. The average registered overall height here is 57 m, about 16% below the Florida average of 68 m. The tallest standing structure, at 185 m, is about 3.2 times the county average.

What kinds of structures are registered in Monroe County?

The most common filed structure type in Monroe County is pole (code POLE), with 45 registrations (32.1%). It is followed by tower (39) and guyed tower (14). In all, 12 different FCC structure-type codes appear in the county.

By registration status: 71 constructed, 35 granted (not yet constructed), 19 dismantled, 13 canceled and 2 terminated. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.

Who owns the towers in Monroe County?

AT&T Mobility, LLC holds the most registrations in Monroe County, with 25 of the 140. The next largest are Comcast of California/Colorado/Florida/Oregon, Inc. (9), K2 Towers III, LLC (9) and MONROE COUNTY BOARD OF COUNTY COMMISSIONERS (8). 30 owners with two or more registrations nationwide hold structures in the county.

Which places in Monroe County have registered structures?

Registrations in Monroe County list 28 different city or place names. The most frequent are Key West (30), Big Pine Key (28), Key Largo (19), Marathon (17) and Ramrod Key (4).

Every registration

All 140 structures in Monroe County, tallest first

#StructureHeightTypeStatus
1Cudjoe Key · 1061464318 mTower (type not specified)Granted (not yet constructed)
2Cudjoe Key · 1053369185 mGuyed towerConstructed
3Islamorada-33036 · 1223674155 mGuyed towerConstructed
4Plantation Key · 1042064153 mTower (type not specified)Dismantled
5Ramrod Key · 1032051152 mTower (type not specified)Dismantled
6Ramrod Key · 1207305152 mTower (type not specified)Granted (not yet constructed)
7Ramrod Key · 1261685152 mTower (type not specified)Constructed
8Monroe Station · 1028857140 mGuyed towerConstructed
9Rock Harbor · 1030379137 mGuyed towerConstructed
10Key Largo · 1015970119 mGuyed towerConstructed
11West Summerland · 1001106119 mTower (type not specified)Canceled
12West Summerland Key · 1029593114 mUnspecified structureConstructed
13Sugar Loaf Key · 1059232113 mGuyed towerConstructed
14Key Largo · 1029594113 mGuyed towerConstructed
15Big Pine · 1015971113 mGuyed towerConstructed
16Key Largo · 1011180113 mTower (type not specified)Canceled
17Flamingo · 1028849109 mGuyed towerConstructed
18Sugarloaf Key · 1035512108 mTower (type not specified)Dismantled
19Marathon · 1037656106 mGuyed towerGranted (not yet constructed)
20Upper Matecumbe Key · 1007981105 mTower (type not specified)Canceled
21Cudjoe Key · 1031324102 mGuyed towerConstructed
22Marathon · 1030536101 mTower (type not specified)Terminated
23Tavernier Key · 100096298 mTower (type not specified)Canceled
24Tavenier · 103084598 mTower (type not specified)Constructed
25Marathon · 102970897 mLattice towerConstructed
26Islamorada · 106208095 mLattice towerConstructed
27Tavernier · 105923595 mGuyed towerGranted (not yet constructed)
28Sugar Loaf Key · 102977693 mTower (type not specified)Constructed
29Ramrod Key · 103001893 mMastConstructed
30Islamorada · 103002591 mMastConstructed
31Key Largo · 103002890 mMastConstructed
32Grassy Key · 100110788 mTower (type not specified)Canceled
33Layton · 101597784 mGuyed towerConstructed
34Marathon · 101597582 mTower (type not specified)Constructed
35Marathon · 121136382 mTower (type not specified)Canceled
36Marathon · 124784582 mLattice towerConstructed
37Key Colony Beach · 102959581 mTower (type not specified)Constructed
38Grassy Key · 120869881 mTower (type not specified)Canceled
39Marathon · 123410379 mLattice towerConstructed
40Tavernier · 130015977 mLattice towerCanceled
41Key Largo · 130837177 mLattice towerConstructed
42Tavernier · 104243877 mUnspecified structureDismantled
43Big Pine Key · 102949577 mTower (type not specified)Dismantled
44Islamodara · 102959276 mUnspecified structureDismantled
45Tavenier · 102949675 mTower (type not specified)Dismantled
46Plantation Key · 101597670 mLattice towerConstructed
47Marathon · 121202270 mTower (type not specified)Granted (not yet constructed)
48Sugarloaf Shore · 101596667 mLattice towerConstructed
49Marathon · 102959667 mTower (type not specified)Dismantled
50Key West · 103015266 mMastConstructed
51Layton · 129814666 mLattice towerDismantled
52Layton · 103002663 mMastConstructed
53Rock Harbor · 102327162 mTower (type not specified)Granted (not yet constructed)
54Rock Harbor · 102949262 mUnspecified structureDismantled
55Key West · 103088061 mPoleConstructed
56Big Pine Key · 103205061 mTower (type not specified)Constructed
57Big Pine Key · 123625761 mMonopoleConstructed
58Islamorada · 124517161 mTower (type not specified)Constructed
59Key Largo · 123587359 mTower (type not specified)Constructed
60Key West · 101687856 mLattice towerConstructed
61Islamorada · 103172353 mTower (type not specified)Terminated
62Key West · 120715353 mLattice towerConstructed
63Key West · 124245551 mPoleCanceled
64Key West · 124377451 mPoleConstructed
65Key West · 104152050 mBuilding with towerConstructed
66Key West · 102959750 mUnspecified structureConstructed
67Stock Island · 102949349 mTower (type not specified)Dismantled
68Key West · 102949449 mTower (type not specified)Dismantled
69Stock Island · 121138249 mTower (type not specified)Dismantled
70Marathon · 122967649 mTower (type not specified)Constructed
71Key West · 102977748 mUnspecified structureDismantled
72Stock Island · 131857248 mGuyed towerConstructed
73Key West · 126185148 mAntenna tower array (tower 3 of 3)Constructed
74Key West · 124204848 mAntenna tower array (tower 2 of 3)Constructed
75Key West · 126185048 mAntenna tower array (tower 1 of 3)Constructed
76Upper Matecumbe Key · 129988446 mMonopoleConstructed
77Marathon · 120577543 mTower (type not specified)Dismantled
78Key West · 121010743 mBuilding with towerConstructed
79Marathon · 129321541 mPoleConstructed
80Key Largo · 127777041 mPoleConstructed
81Key West · 104866040 mBuildingConstructed
82Key Largo · 130395640 mMonopoleConstructed
83Key West · 123827239 mTower (type not specified)Constructed
84Marathon, Fl 33050 · 127583538 mUnspecified structureDismantled
85Key West · 127610038 mUnspecified structureDismantled
86Key West · 127815138 mPoleConstructed
87Key West · 131178038 mMonopoleConstructed
88Key West · 129994538 mBuilding with towerDismantled
89Key West · 102977837 mStructure type 2TOWERConstructed
90Key Largo · 128086337 mLattice towerConstructed
91Marathon · 121834137 mStructure type 2TOWERDismantled
92Marathon · 124899935 mTower (type not specified)Granted (not yet constructed)
93Key West · 123628133 mTower (type not specified)Canceled
94Key Largo · 128281532 mPoleConstructed
95Key West · 124990831 mPoleGranted (not yet constructed)
96Key West · 130278231 mPoleConstructed
97Marathon · 125840828 mBuilding with towerGranted (not yet constructed)
98Key Largo · 122898826 mPoleCanceled
99Key West · 123253124 mTower (type not specified)Canceled
100Key West · 125000922 mTower (type not specified)Granted (not yet constructed)
101Key West · 105700121 mTower (type not specified)Canceled
102Sugarloaf Key · 130631221 mMonopoleConstructed
103Marathon · 130178017 mPoleConstructed
104Key West · 130278117 mPoleConstructed
105Marathon · 127191715 mTower (type not specified)Constructed
106Key Largo · 131610313 mPoleConstructed
107Key Largo · 131610412 mPoleConstructed
108Key Largo · 131610512 mMonopoleConstructed
109Key West · 130300511 mPoleConstructed
110Key Largo · 131607711 mPoleConstructed
111Key Largo · 131607811 mPoleConstructed
112Key Largo · 131608011 mPoleConstructed
113Key Largo · 131608211 mPoleConstructed
114Key Largo · 131608911 mMonopoleConstructed
115Big Pine Key · 129929611 mPoleGranted (not yet constructed)
116Big Pine Key · 129929911 mPoleGranted (not yet constructed)
117Big Pine Key · 129930011 mPoleGranted (not yet constructed)
118Big Pine Key · 129930111 mPoleGranted (not yet constructed)
119Big Pine Key · 129930211 mPoleGranted (not yet constructed)
120Big Pine Key · 129930311 mPoleGranted (not yet constructed)
121Big Pine Key · 129930411 mPoleGranted (not yet constructed)
122Big Pine Key · 129930511 mPoleGranted (not yet constructed)
123Big Pine Key · 129931311 mPoleGranted (not yet constructed)
124Big Pine Key · 129931411 mPoleGranted (not yet constructed)
125Big Pine Key · 129931511 mPoleGranted (not yet constructed)
126Big Pine Key · 129931611 mPoleGranted (not yet constructed)
127Big Pine Key · 129931711 mPoleGranted (not yet constructed)
128Big Pine Key · 129931811 mPoleGranted (not yet constructed)
129Big Pine Key · 129931911 mPoleGranted (not yet constructed)
130Big Pine Key · 129932011 mPoleGranted (not yet constructed)
131Big Pine Key · 129932111 mPoleGranted (not yet constructed)
132Big Pine Key · 129932211 mPoleGranted (not yet constructed)
133Big Pine Key · 129932311 mPoleGranted (not yet constructed)
134Big Pine Key · 129932511 mPoleGranted (not yet constructed)
135Big Pine Key · 129932611 mPoleGranted (not yet constructed)
136Big Pine Key · 129932711 mPoleGranted (not yet constructed)
137Big Pine Key · 129932811 mPoleGranted (not yet constructed)
138Big Pine Key · 130180811 mPoleGranted (not yet constructed)
139Big Pine Key · 130181711 mPoleGranted (not yet constructed)
140Key West · 13224598 mPoleConstructed

Frequently asked questions

How many cell towers are in Monroe County, FL?

The FCC Antenna Structure Registration database lists 140 registered antenna structures in Monroe County, Florida, 71 of them constructed. Registration is generally required only for structures taller than about 60 m or near airports, so shorter cell sites may not appear.

What is the tallest tower in Monroe County?

The tallest constructed registered structure in Monroe County is registration 1053369, a guyed tower near Cudjoe Key at 185 m (607 ft) overall height.

Who owns the most towers in Monroe County?

AT&T Mobility, LLC holds the most registrations in Monroe County (25), followed by Comcast of California/Colorado/Florida/Oregon, Inc. (9).

What kind of towers are in Monroe County?

Pole is the most common filed type (45 of 140 registrations), then tower (39).

More in Florida

About this data

Source: FCC Antenna Structure Registration (ASR) database, as published October 6, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.

Cite as: TowerCensus, “Antenna structures in Monroe County, Florida”, https://towercensus.com/towers/florida/county/monroe-county (data as of October 6, 2026).