This is your first hub in the island and where the last few survivors are huddled. It's also called “The Hull”, the last fortified settlement in the island. The town leader is an old but strong-willed woman named Captain Avery. Far Harbor will be your default drop-off point if you fast-travel from the Commonwealth to the island, similar where you get dropped off to the Nakano Residence if you fast-travel from the island to the Commonwealth.
The Hull is protected by a reliable wall which can be reinforced further by taking the Hull Breach series of quests from The Mariner, the owner of the docks/ the Hull. The Fog is kept away by a series of Fog Condensers, which are given by the people in Acadia. This location is also an independent area and will not become one of the player's settlements.
Allen Lee sells weapons and ammo, Brooks sells general items, while Teddy is the resident physician. You can avail medical services from him and barter for some goods. The Last Plank is managed by Mitch with the waitress Debbie. You can rent a room to spend the night or spend some caps for some booze.
The offshore cabin SE of the town has a green steamer chest and a medkit.