Castellvi Peak (Bulgarian: връх Кастелви, romanized: vrah Kastelvi, IPA: [ˈvrɤx kɐˈstɛɫvi]) is a peak rising to 350 m on Hurd Peninsula, Livingston Island. Situated 800 m northeast of MacGregor Peaks and 1.4 km southwest of Dorotea Peak. Spanish early mapping in 1991. Named for Josefina Castellví i Piulachs, a doyen of the Spanish Antarctic Program.