Apalachicola Bay to St. Marks River Large Print Navigation Chart 18E Boaters, kayakers, paddleboarders, fishermen, ocean lovers of all types. For the Apalachicola Bay to St. Marks River area, this navigation chart is a must. Even if it’s your first day on the water in this locale, you’ll be an expert navigator using this nautical chart. Starting at the St.Marks River Entrance, this large print nautical map covers the western end of Apalachee Bay, Ochlockonee Bay and west to Carrabelle, St. George Sound, Apalachicola Bay, St. Vincent Sound, and Indian Pass west of Apalachicola.