Martuni, Armenia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Martuni is known for its proximity to Lake Sevan and the Sevanavank Monastery. The best time to travel to Martuni, Armenia, is from June to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures in nearby Lake Sevan around 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!