Plantation Key Colony is a neighborhood within the village of "Tavernier" in Monroe County, Florida, United States. It is located in the upper Florida Keys on the island of Plantation Key. Its name is in reference to the pineapple plantation originally in the area. "Tavernier" and "Islamorada" are both on "Plantation Key" per USPS. Locals often say "Plantation Key Colony" is in the village of "Islamorado," however, "Plantation Key Colony" residents all have a Tavernier zip code.