In its large premises including Ryuto-zan mountain, there were the house of the manager, Kaiichi-daicho (trade hall) (also called Koekiba), a courthouse, Hama bandokoro (guard house for the coast), shrines such as Benten-jinja Shrine, Toko-ji Temple, and residences for Japanese (Tsushima people).
竜頭山を取り込んだ広大な敷地には館主屋、開市大庁（交易場）、裁判庁、浜番所、弁天神社のような神社や東向寺、日本人（対馬人）の住居があった。