Longboat Key
- County:
- Manatee County
- County Seat:
- No
- Area (mi²):
- 4.078
- State:
- Florida
Longboat Key is a town located in Manatee County, Florida. Longboat Key has a 2026 population of 7,463. Longboat Key is currently declining at a rate of -1.09% annually and its population has decreased by -0.55% since the most recent census, which recorded a population of 7,504 in 2020.