Port Soderick, Isle of Man offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Soderick, Isle Of Man, Isle of Man, is known for its scenic Port Soderick Glen and the historic Port Soderick Railway. The best time to travel to Port Soderick, Isle of Man, is from June to August, with average air temperatures around 15-18°C (59-64°F) and water temperatures around 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!