The second largest county in Florida is Collier County located in Southwest Florida. The county is 2,305 square miles with 280 miles of water and 2,025 miles of land.
Collier County is the sole county in the Naples-Marco Island Florida Metro Area. Its county seat is Naples, Florida. Most of the southeastern part of Collier County lies within the Big Cypress National Preserve.
Collier County Table of Contents
Collier County Map
Located on the southern end of Florida’s Gulf Coast, Collier County borders Hendry County to its north, Broward County to its east, Miami-Dade County to its southeast, Monroe County to its south, Lee County to its northwest, and the Gulf of Mexico to its west.
Area Codes and Zip Codes for Collier County
The area code for Naples, Macro Island, and Everglades City is 239.
The Zip Codes for Naples (the biggest city in Collier County) are as follows:
Naples Zip Codes: 34102, 34103, 34104, 34105, 34106, 34108, 34109, 34110, 34112, 34113, 34114, 34116, 34117, 34119, 34120.
Cities in Collier County Florida
Collier County has 3 incorporated cities and 16 unincorporated cities.
- Everglades City - zip code: 34139
- Marco Island - zip code: 34145
- Ave Maria
- East Naples
- Golden Gate
- Lely Resort
- Naples Manor
- Naples Park
- Pelican Bay
- Pine Ridge
- Plantation Island