twˈɛlv mˈaɪl ˈaɪlənd ɪz ðə fˈɑːɹðɪst dˈaʊnstɹiːm wˈɛst ænd hɐz ɐ nˈʌmbɚɹ ʌv hˈaʊzᵻz ænd bˈɪldɪŋz ɔnðə wˈɛstɚn fˈoːɹfˈɪfθs ʌvðɪ ˈaɪlənd ðə pˈɑːɹk lˈænd ɪz ðɪ ˈiːstɚn ˈɛnd.
Twelve Mile Island is the farthest downstream (west) and has a number of houses and buildings on the western four-fifths of the island (the park land is the eastern end).