Dave, as you mentioned updating the site and some have raised the point of social media and privacy I wonder If this link from another site which includes broads boats might be of interest.
https://canalplan.uk/wiki/help:SocialMediaPolicy
With respect, the op said No longer a swear word and if you count the number of astericks the word bloomin doesnt fit (when used in such a manner as it was the number of astericks used matter), but I`d guess perhaps he is wishing that he had used bloomin now!
Just like at home there are different suppliers for the owner to select one and sign a contract. As to a maximum price tariffs for moorers I dont know.
The "lady" sounds like an oik as my sister would say. Sadly such behaviour can be found behind the wheel of a boat, a car and pushing a shopping trolley in a supermarket but glad it didnt ruin your holiday.