My husband and I stayed here with our 16 year old daughter, traveling to the Netherlands from USA for our son's soccer (he stayed with the soccer team in nearby Purmer). The photos don't lie, it is a beautiful chapel with a beautiful private courtyard. From the road and parking lot, you cannot even see the chapel, my daughter loved that it was like stepping into a magic fairytale from her childhood (and the wifi works well, so teenagers are happy!). We rented a car so having a parking spot was added bonus. It was about 40 minutes into Amsterdam which we did several times, but we also explored Volendam and Alkmaar which were short drives away and even had to go as far as Eindhoven for a professional game (about 2 hours). You don't need a car to explore as the train is right there and very easy.
At nights it was wonderful to relax in the courtyard and go over our photos and memories of the day. My daughter enjoyed the jacuzzi tub to herself while my husband and I drank our wine and had some nice alone time. The town of Hoorn is wonderful place to visit in itself, with some of the best restaurants we've tried in the Netherlands. Not all restaurants here will have an English menu like they do in Amsterdam, but we found all the wait staff could speak English and were happy to translate for us. The town is picturesque on water with cobblestones and medieval fort and houses and beautiful architecture and lovely town square with many upscale shops. There is nearby place to rent kayaks or paddle-boards for lovely day on the water.
While we were there a very big festival or carnival came to town - with big rides and typical carnival booths for food and games. We found out this is one of the largest in the Netherlands, it basically takes over the town. That made for a tricky time driving in and out, but the kids enjoyed it very much. The rides go on until 1:00am, so if you are looking for just peace and quiet and don't have kids to enjoy the carnival, than probably best to avoid the 10 days in August when it comes to town.
The only down sides that should be noted is that the beds and bathroom are at the top level and the steps are very narrow and steep spiral staircase. A little scary and knees hurt from many trips to the toilet. There is toilet on first floor but it is old and didn't flush. Also, the spiders are everywhere even hanging over the beds, so often daughter would scream and we'd have to remove the spider and put it outside for her.