You visit the island only once, so look for treasure chests before you rescue all dwarves.
After a long search Geralt was at last a step from his goal. Avallac'h had hid Ciri from the Hunt on the magical Isle of Mists, which could only be reached if fate deemed one worthy - or by following a magic firefly, which was decidedly the easier option. Geralt thus readied himself to sail to the isle and bring back Ciri.
TreasureTreasureTreasureTreasureChest on the bottom.TreasureChest on the bottom.TreasureIn the boat wreck.TreasureChest lying at the boat wreck, underwater.TreasureChest lying in the boat wreckage, underwater.TreasureChest under the pier, underwater.TreasureTwo chests hidden in the grass on top of the small isle.TreasureChest on the bottom.TreasureChest on the bottom.TreasureChest on the shore.TreasureChest on the shore.TreasureChest inside the cave.TreasureChest in the rock bay.TreasureChest on the shore.TreasureChest lying on top of big boat wreckage.TreasureHollow trunk on top of a mountain.TreasureChest aboard a boat wreck.TreasureChest on the bottom.TreasureChest on the bottom.TreasureTwo chests at the bottom level of the lighthouse, one more on top of it.TreasureChest in the bushes.TreasureChest in a recess next to a tree.TreasureChest next to a tree.TreasureChest on the shore.TreasureTwo chests on the bottom.TreasureChest next to the small isle, underwater.Treasure