Ballantrae, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ballantrae is known for Culzean Castle and Country Park, a stunning cliff-top castle with beautiful gardens and scenic views. The best time to travel to Ballantrae, United Kingdom, is during late spring to early autumn (May to September) when the average air temperature ranges from 12°C to 18°C (54°F to 64°F) and the sea temperature is around 12°C to 15°C (54°F to 59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!