Jack Browns Seaplane Base
|Airport type||Public use|
|Owner/Operator||Jon K. Brown|
|Serves||Winter Haven, Florida|
|Location||Polk County, Florida|
|Elevation AMSL||140 ft / 43 m|
Jack Browns Seaplane Base ( FAA LID: F57) is a public-use seaplane base located 3 nautical miles (5.56 km) northwest of the central business district of Winter Haven in Polk County, Florida, United States. It is located on the northeast shore of Lake Jessie, which is part of the Winter Haven Chain of Lakes. The privately owned  seaplane base is located adjacent to Winter Haven's Gilbert Airport and connected to it by an asphalt taxiway.
For the 12-month period ending November 17, 2009, the airport had 10,000 general aviation aircraft operations, an average of 27 per day. At that time there were 5 aircraft based at this airport: 80% single- engine and 20% multi-engine.