Cap Serrat, Tunisia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Cap Serrat, Bizerte, Tunisia, is known for its stunning Cap Serrat Beach and the nearby Ichkeul National Park. The best time to travel to Cap Serrat, Tunisia, is from May to October, with average air temperatures ranging from 20°C to 30°C and water temperatures from 18°C to 26°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!