Information is given concerning the presence of Thais sacellum (Gmelin, 1791), a Muricid species from the northern part of the Indian Ocean, in the Eastern Mediterranean. Originally discovered in the harbour area of Beirut, Lebanon, in the year 2000 and lateron also found off Ras el Chakaa towards Tripoli, more in the north of Lebanon, this species is now also known from at least two localities along the coast of Israel: Segavyon Island, part of the Akhziv-Rosh Haniqra Nature Reserve and National Park, and Qiriyat Yam, just north of Haifa.