Peril Strait or Háat Ishkáak is a strait in the Alexander Archipelago in southeastern Alaska. It is between Chichagof Island to its north and Baranof Island and Catherine Island to its south. The strait is 80 km (50 mi) long and reaches from Salisbury Sound on the west to the Chatham Strait on the east. It is entirely within the limits of the City and Borough of Sitka.