Passenger transport by boat between points on the water.
Alderney
This States of Alderney Harbour Office service provides seasonal passenger transport between Braye Harbour moorings and the landing pontoon.
From their website
Passenger water taxi between moored vessels and landing pontoon in Braye Harbour (inferred from the source page)
Alderney
Marine services business on Alderney, offering chandlery, yacht brokerage, and marine engineering, serving local boat owners and visiting yachtsmen.
From their website
Water taxi (inferred from the source page)
Also Boat repair & maintenance · Boat haulage & lifting · Marine engines & outboards
Other capabilities nearby in the graph — the count is how many businesses do each.