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The Key Largo handbook

Living in Key Largo, FL: what to set up and who to call

Key Largo has no town government of its own, so Monroe County runs its elections and most services, and its children attend Monroe County School District. Xfinity and AT&T both wire most of Key Largo; 78% of addresses can get fiber.

Which school will my kid attend?How do I register to vote?ZIP codes
Key Largo has no town government. It’s a census-designated place in Monroe County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Key Largo’s town page under “Getting set up”.

I’m new in town

What to set up in Key Largo, and who provides it. Tap an answer for the details and where they come from.

PowerFPLinvestor-owned utility · 14.6¢/kWhMore →Internet6 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Key Largo’s trash rules yetMore →SchoolMonroe County School DistrictWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP code33037Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Key Largo.

Electricity

Power comes from FPL

FPL (Florida Power & Light Co.), an investor-owned utility, serves 93.5% of Key Largo residents. Its homes paid an average of 14.6¢ per kWh in 2025, about $162 a month (its average across Florida).

Start or move service: www.fpl.com · (800) 375-2434

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

6 home internet providers serve Key Largo

100% of 8,113 addresses can get 100/20 Mbps; 78% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable, Fiber100%2,000/250
AT&TDSL, Fiber, Fixed wireless92%5,000/5,000
Hotwire CommunicationsFiber3%1,000/1,000
TerraNovaNetFixed wireless80%50/25
T-MobileFixed wireless66%100/20
VerizonFixed wireless51%300/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Key Largo’s trash rules yet

Pickup rules, the dump and recycling in Key Largo.

Trash, recycling and bulk pickupNot on fileKey Largo has no town government of its own, so look for trash and recycling rules on the county’s site.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Key Largo kids go to
PK–8Key Largo SchoolMonroe County School District
9–123 high schoolsDepends on your address

Key Largo is in Monroe County School District.

BSchool gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

No town hall: the county runs things

Key Largo is unincorporated, so Monroe County is the local government.

Local governmentMonroe CountyKey Largo is a census-designated place: no town hall of its ownCensus
Who runs elections hereMonroe Supervisor of ElectionsElections here are run by Monroe County (county election office). 5200 College Rd, Key West, FL 33040-6577 · (305) 292-3416 · [email protected]FVAP, Dec 2025
Register to voteOnlineIn Florida you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before).vote.govCheck your registration and polling placeregistration.elections.myflorida.comThe state’s voter lookup

Election office: FVAP local election office directory, updated Dec 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 17, 2025.

ZIP codes & area codes

Key Largo is in ZIP code 33037

ZIP codes where Key Largo residents live, with the share of the town in each.

ZIPPost office nameShare of Key LargoZIP’s residents in Key Largo
33037Key Largo, FL99%89%

A few homes fall in 33070.

Area code305Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomMariners Hospital10.6 miles awayGet a library cardMonroe County Public Library SystemNearest branch: Key Largo Branch, 101485 Overseas Highway · (305) 451-2396

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Key Largo

Who provides electricity in Key Largo?

FPL (Florida Power & Light Co.), an investor-owned utility. Its homes paid about 14.6¢ per kWh in 2025 (EIA).

What internet providers serve Key Largo?

Xfinity, AT&T, Hotwire Communications, TerraNovaNet, T-Mobile, Verizon (FCC, as of December 2025).

What ZIP codes are in Key Largo?

33037. Census 2020 ZIP Code Tabulation Areas.

What school district is Key Largo in?

Monroe County School District.

How do I register to vote in Key Largo?

In Florida you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Monroe Supervisor of Elections. Check your registration at registration.elections.myflorida.com.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Nov 17, 2025 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.