There's a skeleton on a bathtub to the north with an unconsumed Nuka-Cola Quantum. Edwin's cabin located in the SW has a Master locked chest, several chems, and other good loot. The key to safe is found underwater, in the middle of the lake right under the overturned boat. Edwin’s skeletal remains can be found underwater as well with Annika’s Locket. This item doesn’t have any notable use in the game but is considered unique anyway.