Wrist arthroscopy is commonly performed as a diagnostic and therapeutic procedure and its indications are expanding. In this article, we review indications and surgical setup for wrist arthroscopy. We review normal arthroscopic wrist joint anatomy with magnetic resonance imaging (MRI) correlation. Using case examples and MRI–arthroscopy correlation, we demonstrate common wrist pathologies and discuss updates in surgical classification of wrist disorders such as Kienböck’s disease and intrinsic wrist ligament tears.