Tahta Marmer (''Imarat-i Takht-i Marmar'') adalah bangunan yang digunakan Shah untuk resepsi formal kerajaan. Sedangkan pertemuan pribadi dan pesta-pesta yang biasa diadakan pada malam hari dipusatkan sepenuhnya di bangunan utama Istana Golestan. DibangunTahta ini dibangun pada 17591806, menggantikan Tahta Merak.
The talar of the Imarat-i Takht-i Marmar houses the royal throne. This marble throne (Takht-i Marmar) was built in 1806 by the order of Fath Ali Shah to replace the valuable Takht-i Tavous (Peacock Throne) in the talar. The marble throne, designed by the royal painter Mirza Baba Shirazi and built by the royal mason Mohammad Ebrahim Esfehani, is composed of sixty-five fine pieces of yellow marble from the province of Yazd. The body of the throne is carried on the shoulders of angels and demons carved in stone, and its steps are decorated with dragons and two lions.
