A finely fitted yew dock with copper-coloured trim and flush mooring cleats. Extend it one water tile at a time from a walkable bank or deck on your own or an approved plot. Boats can moor beside it.
On water inside your own or an approved plot, choose Build a plank bridge here. Start at a walkable bank and extend one tile at a time. Use Build another for the next section. Boats moor at its edge.