The Brunswick beaches are Sunset Beach, Ocean Isle Beach, Holden Beach, Oak Island, Bald Head Island, and Caswell Beach. Mainland Communities are: Boiling Springs, Bolivia, Calabash, Carolina Shores, Leland, Navassa, Northwest, Sandy Creek, Shallotte, Southport, St. James and Varnamtown. The Brunswick County Chamber of Commerce is a membership driven organization, striving to enhance and promote Brunswick County through building community and supporting businesses. We offer a variety of services for visitors, businesses and residents. Mission Statement: The Brunswick County Chamber of Commerce is a membership driven organization, striving to enhance and promote Brunswick County through building community and supporting businesses.