Mangrove snapper are a target species, along with the groupers, and are caught much the same way, with bait on the bottom or a shrimp tipped jig dropped to the bottom. They frequent wrecks and reefs offshore, although smaller ones can be caught in the backwaters. As a rule of thumb, the deeper the water, the bigger the fish. The best mangrove snapper fishing is generally in forty or more feet of water. This equates to ten or so miles offshore of Marco Island and further. A six or eight hour trip is prefered for serious Mangrove fishing.