The Lagoon is a long shallow bay behind Dewberry Island. It can be good for redfish and flounder year-round. The best time is late summer to early winter. The Lagoon is very shallow and the bottom is very soft, so this area is best finished by kayak.
A history of fishing reports for the Lagoon. Maybe you can find a seasonal pattern or a bait or technique that has worked in the past.
Nov-21-01 . Redfish are good in the Lagoon on live bait.