Key Largo, Florida ZIP Codes
Key Largo, FL (Monroe County) has 2 ZIP codes (postal codes), 33037 to 33070: 33037, 33070. Between them, 267 homes are for sale as of 2026-09-11; 33037 has the most listings (224), 33070 is the least expensive by asking price (median $712,999) and 33037 the most (median $919,500).
Every Key Largo ZIP code with prices and what is for sale
All 2 ZIP codes for Key Largo, FL: the neighborhoods each one covers, homes actively listed today with the median asking price, what homes sold for over the last 12 months, and days on market. Rows marked PO/partial are ZIPs whose USPS city is Key Largo but where current listings sit in a neighboring city.
| ZIP | Neighborhoods | For sale | Median list | Median sold (12 mo) | DOM | ZIP pages |
|---|---|---|---|---|---|---|
| 33037 | — | 224 | $919,500 | — | — | scorecard |
| 33070 USPS: Tavernier | — | 43 | $712,999 | — | — | scorecard |
Homes for sale in Key Largo by ZIP
The live listings behind these counts, with photos, are on the Key Largo homes for sale page, grouped by price and by ZIP.
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Listing counts and asking prices are active residential listings in Momentum Realty’s MLS record as of 2026-09-11; sold medians and days on market are 12-month figures from the same record. ZIP-to-city assignment follows USPS for Florida and listing addresses for Georgia. Deemed reliable but not guaranteed. Equal Housing Opportunity.