A cikin 1406, ^[36] Sojojin Burma daga Masarautar Ava sun mamaye Arakan.Gudanar da Arakan wani bangare ne na Yakin Shekaru Arba'in tsakanin Ava da Hanthawaddy Pegu a yankin kasar Burma.Gudanar da Arakan zai canza hannu sau da yawa kafin sojojin Hanthawaddy su fatattaki sojojin Ava a 1412. Ava zai ci gaba da kasancewa da kafa a arewacin Arakan har zuwa 1416/17 amma bai yi ƙoƙarin sake kwato Arakan ba.Tasirin Hanthawaddy ya ƙare bayan mutuwar Sarki Razadarit a shekara ta 1421. Tsohon sarkin Arakan Min Saw Mon ya sami mafaka a masarautar Bengal kuma ya zauna a Pandua tsawon shekaru 24.Saw Mon ya zama kusa da Sarkin Bengal Sultan Jalaluddin Muhammad Shah, yana aiki a matsayin kwamanda a sojojin sarki.Saw Mon ya shawo kan sultan ya taimaka ya mayar da shi kan karagarsa da ya bata.^[37]Saw Mon ya sake samun ikon sarautar Arakan a shekara ta 1430 tare da taimakon soja daga kwamandojin Bengali Wali Khan da Sindhi Khan.Daga baya ya kafa wani sabon babban birnin sarauta, Mr.Arakan ta zama jihar vassal ta Bengal Sultanate kuma ta amince da ikon Bengali akan wani yanki na arewacin Arakan.Dangane da martabar masarautarsa, sarakunan Arakan sun sami lakabi na Musulunci, duk da kasancewarsu mabiya addinin Buddah, kuma sun halatta amfani da tsabar dinari na zinariya na Musulunci daga Bengal a cikin masarautar.Sarakunan sun kwatanta kansu da Sarakuna kuma sun dauki Musulmi aiki a manyan mukamai a cikin gwamnatin sarauta.Saw Mon, wanda yanzu aka yi masa suna Suleiman Shah ya rasu a shekara ta 1433, kuma ƙanensa Min Khayi ya gaje shi.Ko da yake an fara shi a matsayin mai kare Bengal Sultanate daga 1429 zuwa 1531, Mrauk-U ya ci gaba da cin nasara a Chittagong tare da taimakon Portuguese.Sau biyu ya kare yunƙurin Toungoo Burma na cin mulkin a 1546-1547, da 1580–1581.A lokacin da yake da tsayin iko, ta ɗan sarrafa bakin tekun Bengal daga Sundarbans zuwa Tekun Martaban daga 1599 zuwa 1603. ^[38] A cikin 1666, ta rasa ikon Chittagong bayan yaƙi da Daular Mughal .Mulkinsa ya ci gaba har zuwa 1785, lokacin da daular Konbaung ta Burma ta ci ta.Gida ce ga yawan kabilu daban-daban tare da birnin Mrauk U kasancewar gida ne ga masallatai, temples, wuraren ibada, makarantun hauza da dakunan karatu.Masarautar kuma ta kasance cibiyar satar fasaha da cinikin bayi.Larabawa, Danish, Dutch da Portuguese ’yan kasuwa ne suka yi ta zuwa.