- St. Matthew Island (Russian: Остров Святого Матвея, romanized: Ostrov Svyatogo Matveya) is an uninhabited, remote island in the Bering Sea in Alaska, 183 miles (295 km) west-northwest of Nunivak Island. The entire island’s natural scenery and wildlife is protected, as it is part of the Bering Sea unit of the Alaska Maritime National Wildlife Refuge and as the Bering Sea Wilderness.