From Key West north to Bahia Honda Channel where you can take the inside route north to Key Largo or continue on the outside route to Key Largo. You can also take the inside route at Marker 49A at Marathon’s Seven Mile Bridge to continue north. Large scale details of channels and passes and highlighted Mile Markers. Enlarged navigation markers along with photographic visuals. Each page of the chart kit measures 11″ x 17″. Full uv lamination at 10 mil. “Write-On Wipe-Off! Time after Time” with a Sharpie marker and alcohol. Used by Coast Guard and coast Guard Auxilliaries, Marinas, Boat Rentals, Boat Clubs, County Sheriffs, Insurance companies, Real Estate and more! Easiest Boating Chart You Will Ever Use.