The reflection coefficient hits 100% exactly at the critical angle. More rigorously, consider that an analysis of the boundary conditions at the interface requires that the two polarizations of light have reflectances:
Distance from Ruskin, FL to Palmetto, FL 18 Miles or 29 Km. How many hours? 24 mins
View Larger Map. From All Points South of Port Charlotte via I-75. Take Exit 179 (Toledo Blade) WEST to State Road 776. Follow 776 to intersection of State Road 771. Go left on 771 and follow it around to State Road 775 ( at the Boca Grand Causeway). Go straight 3 miles to Palm Island Marina. Follow signs to Car Ferry. From All Points Venice and North via I-75. Take Exit 191 (River Road) WEST 14 miles to intersection light at Pine Street. Go LEFT on Pine Street and go straight ahead 10 miles to Palm Island Marina.