Four of us booked to stay on the yacht for three nights, but we were quite disappointed and left after one night (AirBnB refunded us for the nights we did not stay).
The boat was extremely dirty: cobwebs, dust and grime everywhere, dirty tissues and an empty cigarette packet, a sink full of dried toothpaste, mold in the closets, and a permeating smell of mold throughout the boat. Even the bathrooms in the harbour office where unclean, with small piles of hair on the women's shower floor.
Aside from the cleanliness issues, the photos in the description are not representative of the current state of the boat, there were missing panels, a broken sink, the stern cabin door handle was broken which meant we could not close the cabin door (and got extremely cold despite the heater), in one cabin was a fan heater and electrical power strip sitting in a puddle of dirty water, in the other cabin the fan heater was clogged with lint and dirt, and did not switch on.
There were multiple rain leaks, including above the two beds in the bow. We contacted Ton through AirBnB the evening when we checked in and noticed the leak (19:30), but heard nothing until the next morning (10:00), when we had already decided to move to other accommodations.
For those for whom WiFi is important, we could only get WiFi outside the boat, and not within the boat.
Check-in was simple enough, and the location is great.
Only after we had checked-out did I realise the phone number for the Harbour master was also the phone number for Ton, perhaps this knowledge would have helped us avoid sleeping in a damp bed for our first night in Amsterdam.