When filled to capacity, its surface area is 32,510 acres with a shoreline of 520 miles and a main channel 34 miles in length — thus its nickname, the Inland Sea. Thirteen miles of the shoreline are in the state park, which provides boating access.The park boasts its own 33-acre lake where fishing and boating are enjoyed. And with hiking and biking trails, picnic areas, interpretive programs and campgrounds, there’s more to Lake Norman State Park than merely water.