Speciality Market Causeway Coast & Glens | 20 Years of Artisan Crafts | The Causeway Speciality Market is a bustling, speciality food and craft market held in Coleraine Town Centre – located around the Town Hall, a magnificent 150-year old sandstone building in the Diamond area of the town centre. The Market takes place on the second Saturday of each month and every second and fourth Saturday of each month between April