St. Lawrence Island in the northern Bering Sea belongs to Alaska and may be associated with either continent but is almost always considered part of North America, as with the Rat Islands in the Aleutian chain.
sənt. lˈɔːɹəns ˈaɪlənd ɪnðə nˈɔːɹðɚn bˈɛɹɪŋ sˈiː bᵻlˈɔŋz tʊ ɐlˈæskə ænd mˈeɪ biː ɐsˈoʊsɪˌeɪɾᵻd wɪð ˈiːðɚ kˈɑːntɪnənt bˌʌt ɪz ˈɔːlmoʊst ˈɔːlweɪz kənsˈɪdɚd pˈɑːɹt ʌv nˈɔːɹθ ɐmˈɛɹɪkə, æz wɪððə ɹˈæt ˈaɪləndz ɪnðɪ ɐlˈuːʃən tʃˈeɪn.