Ballintoy, United Kingdom offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Ballintoy, Northern Ireland, United Kingdom, is known for its stunning coastal scenery and as a filming location for the "Game of Thrones" series. The best time to visit Ballintoy, United Kingdom, is from June to August, with average air temperatures around 15-18°C (59-64°F) and sea temperatures about 13-15°C (55-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!