You can lock pick boats and large carts if you are the owner of them (i.e. Your name is listed when you Examine it).
Off-deed gates, chests, [[bulk storage bin]]s, and [[food storage bin]]s can cannot be lock picked, unless they are inside a complete house.If the house has one or more walls decayed away, then lock picking these containers inside is possible.
On-deed gates, chests, and bins can only be lock picked if you have the Destroy permission.