Claim: The beaches of Cape Espenberg (located on the the Chukchi Sea coast – a marginal sea of the Pacific Ocean) see additions such as bones of Pleistocene megafauna, modern and ancient shell valves, and driftwood (concentrating more in the storm beach).
Evidence: Chukotskoye more, IPA: [tɕʊˈkotskəjə ˈmorʲɪ), sometimes referred to as the Chuuk Sea, Chukotsk Sea or the Sea of Chukotsk, is a marginal sea of the Arctic Ocean.