Tacettin Sultan Mosque
Located in Hamamönü Mahallesi, Sümer Mahallesi, Taçlı Sokak, near the Karacabey Imaret, the mosque is next to the tomb of the same name. It has cut stone walls and a tile roof. Its plan is rectangular in length and has a narthex. Its square base and cylindrical minaret rising to the northwest are made of stone. It was built by Abdülhamit between 1901-1902.