The airport's northern boundary is Lake Washington and the Will Rogers–Wiley Post Memorial Seaplane Base.
ðɪ ˈɛɹpoːɹts nˈɔːɹðɚn bˈaʊndɚɹi ɪz lˈeɪk wˈɑːʃɪŋtən ænd ðə wɪl ɹˈɑːdʒɚz wˈaɪli pˈoʊst məmˈoːɹɪəl sˈiːpleɪn bˈeɪs.