Tennessee Reef

{{short description|Coral reef in the Florida Keys, US}}

{{Infobox Seamount

| name= Tennessee Reef

| photo= Tennesseereeflight.JPG

| photo_caption=Tennessee Reef Light in 1966

| height=

| location= Caribbean

| pushpin_map = Florida#Caribbean

| country = United States

| type= reef

| volcanic_group =

| age=

| last_eruption=

|coordinates={{Coord|24|46|N|80|45|W|source:NOAA_region:US-FL|display=it}}

}}

Tennessee Reef is a coral reef located within the Florida Keys National Marine Sanctuary. It lies to the southeast of Long Key. It consists of drowned (deep) spur-and-groove reef. Much of the reef is within a designated "Research Only" zone.

An unmanned reef light is located near the reef.