Core Sound is a shallow, narrow saltwater sound separating the mainland of North Carolina from the Cape Lookout National Seashore, a coastal wilderness comprising uninhabited islands like Core Banks and Shackleford Banks. The paddling experience is characterized by remote, open-water crossings with significant exposure to wind and fetch. The sound runs from the southwest to the northeast, and prevailing winds, especially in spring and summer, often come from the southwest, a critical factor in planning direction and crossings. Tides create strong currents near Cape Lookout and can expose deep mud and seagrass beds on low tide, complicating landings on the soundside shores of the islands.

Primary launch points include the natural kayak launch site by the picnic area across from the Harkers Island Visitor Center, the Oyster Creek Boat Ramp in Davis, and the Cedar Island Campground. Launching from the Harkers Island Visitor Center boat basin is prohibited. These provide access to extensive water trails, such as a paddle from Harkers Island to the Cape Lookout Lighthouse or from Oyster Creek to the Great Island Ferry Dock. Multi-day trips are possible, with free backcountry camping permitted on the national seashore islands, where sandy beaches are found, though access can be muddy at low tide. The area is known for wildlife, including feral horses on Shackleford Banks, dolphins, and diverse birdlife, though biting insects can be severe, especially in September.

The sound is a working maritime landscape with a strong fishing heritage, and paddlers will share the water with boat traffic, particularly near inlets and channels. Conditions are best for experienced paddlers comfortable in open water, strong winds, and currents. The recommended season for extended trips is from early October through late November to avoid summer heat, humidity, bugs, and spring winds. Paddling here offers a sense of isolation and access to a pristine, roadless coastline, but requires self-sufficiency and careful attention to weather, tide, and wind forecasts.