When Matthew Gore arrived in Wrangell on the evening of Oct. 21, he took his dogs for a walk in the park before getting on his boat, the Andromeda, which he had been storing at the Reliance Float since late June 2021. Immediately, something “felt off.”

As he walked down the stairs, he tripped over objects that he didn’t remember placing there. After inspecting the entire vessel, he discovered that it had been stripped. The generator, charger, batteries, fans, power cable, laminate flooring and more had all been removed and the anchor had been yanked off the rollers. Even his electric piano was...