Karnwasten is a Public Dungeon that appears in The Elder Scrolls Online: Summerset. Karnwasten is a sea cove along the northern coasts of Eton Nir on the Isle of Summerset. Pirates and Yaghra are known to scour the area.
- Skyshard – On the coast northwest of the western entrance
- Skyshard – In the docks
- Night Runner Captain's Journal – During "The Abyssal Cabal"
- Summerset Isles: A Visitor's Guide – Near the crates after the northwestern rope bridge
- The Myth of the Sea Sloads – North of the westeasternmost cave
- Azura Idol
- Book of Tamriel Religions
- Valenwood Perfume
- K'Garza (group boss)
- Madja (quest boss)
- Night Runners:
- Gilleruk the Viscous (boss)
- Waste of Flesh (boss)