As the ice age ended large amounts of melting glacial ice led to rising sea levels.
This included a relentless push to the sea by deve.
The State experienced large scale development and huge population growth.
However, during the 1900s things started to change in Florida.
For most of its life Manasota Key remained pristine and largely undeveloped.
As part of this long term process the Florida shoreline moved 20 to 100 miles landward, and Manasota Key and many other barrier islands were formed.
As the ice age ended large amounts of melting glacial ice led to rising sea levels