Complex sentence: Redfish, trout and snook exist in abundance in Bayport's waters, but the extremely treacherous, rocky seafloor and shallow sawgrass marsh creeks can be dangerous for the uninformed angler or pleasure boater.
Split into simpler sentences: Redfish, trout and snook exist in abundance in Bayport's waters. However, the extremely treacherous, rocky seafloor and shallow sawgrass marsh creeks can be dangerous for the uninformed angler or pleasure boater.