This is a Brackish water lake ,
it is connected to the River, I drew a couple distance maps for you
I think there is a Kayak Ramp. I will drive there and get some better pictures.
From Fishin Franks
South on U.S. 41 6.2 miles
Turn right Burnt Store road 15.9 miles
Turn left on Tropicana Pkwy 4.1 mile
Turn right on Santa Barbara Blvd N. 1.7 mile
From Fishin Frank North Fort myers
North tp Pine Island Road.
Turn Left on Pine Island rd
Turn Left On Santa Barbara Blvd .07 Miles