Yes, there are plenty of camping and holiday parks on the coast and around Portstewart and Portrush. Many campsites are seasonal, so check dates in advance. Campsites can get busy and many require advance bookings for weekends, bank holidays, and all of July and August. Campsites can close and ferries can be cancelled in storms. You can also explore different options for camping near Coleraine on Hipcamp.