The Alan Wake 2 Lighthouse Key is located in the last and 22nd Cult Stash you loot in the game. So depending on how you go about hoovering up all the Cult Stashes, the key could be in Cauldron ...

The lighthouse key is a guaranteed item in the final Alan Wake 2 stash you open.There are 22 in total, so whichever one ends up being the 22nd stash you open will contain the lighthouse key ...

With the Lighthouse stash open, you are now free to head to the trailer park if that’s your next destination in the story. Look at our links below if you’d like a heads-up on other cult ...