North end of Dewees or South end of Capers is nice. Also the beach between Ft. Johnson and Ft. Sumter is easy to get to. Goes without saying, watch your falling tides.
Check out the Shem Creek Inn. Close by to the creek is Holiday Inn, Hampton Inn in Mt Pleasant. Restaurants: Vickerys, RB's, Reds Ice House are some of my favorites. Also Locklears Seafood. It's a great restaurant town.
I live in your town and also have a 260 DA, and would be interested in knowing what kind of failure you had in the fresh water tank. Other than leaving a small heater on in the cockpit, I don't usually take any more precautions with our relatively mild winters. Never mind just saw the post with...
Anybody interested in joining for the Charleston Boat Parade on Dec 5th? Leaves Mt Pleasant at 5pm scheduled to pass by the peninsula of Chas by 6:30pm with fireworks at 6:45pm. 260 Sundancer "Graduation Gift"
Stayed at a hotel in Mystic recently, while attending a training course at Heartlab in Westerly, RI. You would love Charleston. Make it a priority on your travel plans.