Shem Creek Bar & Grill is a Mt. Pleasant must: It's the oldest and largest seafood restaurant in the area. The menu is chock-full of fresh seafood, including oysters, crab cakes, the Shem Pot and Dirty Shrimp 'n Grits. Patrons will enjoy watching the dolphins and boats coming and going. The restaurant serves bunch, lunch and dinner, and has a happy hour.