Interactive: Florida manatee deaths and causes; Lee County reports highest mortality in 2026

Explore where Florida manatee deaths have been reported since 2021, the probable causes and how this year compares with previous years, with the latest data. Florida’s manatee mortality data shows deaths concentrated in several coastal counties, with Lee County accounting for the highest number reported so far in 2026. The Florida Fish and Wildlife Conservation Commission’s latest preliminary report covers from 2011 to the present day, with approximately a two-week delay. Use the interactive below to explore manatee deaths by year, county and probable cause. Select a county on the map or use the filters to see how the totals change. The cumulative chart also allows you to compare the timing of deaths with the same period in a previous year. DOWNLOAD the free Gulf Coast News app for your latest news and alerts on breaking news, weather, sports, entertainment, and more on your phone or tablet. And check out the Very Local Gulf Coast app to stream news, entertainment and original programming on your TV.