Chest key

There are a number of Chest keys in The Witcher 3:

Chest key found on a small island north of Sund
This key opens a chest on a rocky islet near the body where it is found. The chest contains a sword, a crafting diagram, an alchemical formula (if it has not already been found or purchased), some and a few crafting components.

Associated quests

 * Hidden treasure

Chest key found on Faroe
This key is found along with a letter.

Associated quests

 * The Price of Honor

Chest key found by the Vikk Watchtower
This key is found along with a notebook. It unlocks a chest at the top of the tower.

Associated quests

 * The Royal Air Force

Truhenschlüssel Clef de coffre Chiave di baule Klucz do skrzynki