While coastal Mississippi is well known for its white sand beaches and water sports, such as boating and riding jet skis, there’s much more to do on the coast than just enjoy the surf and sand. The best part is, you can do as little or as much as you like while enjoying the great outdoors. So, don your sunglasses, throw on a hat and make the most of your summer with these 10 fun activities. Tour the coastal backwaters on a river and marsh tour Touring the Pascagoula River and marshes — Photo courtesy of Karon Warren Flowing into the Gulf of Mexico at the Mississippi coast, the Pascagoula…