Below is a list of Summerland Key FL zip codes. For your research we have also included Summerland Key Area Code, Time Zone, UTC and the local Monroe County FIPS Code. Each Summerland Key Florida zip code has a center Longitude / Latitude point (the Summerland Key center is -81.52269744873 / 24.659900665283). For your convenience we have also indicated if that zip code in Summerland Key observes Daylight Savings time.