Museum's for me tend to be something a tourist visits when discovering a new city.
We had a work function here and it was quite delightful to visit this neat little museum tucked into the corner right adjacent to Old Montreal. We started off the day with a light breakfast in the upstairs cafeteria which consisted of eggs, fruit and some french toast. After you could go out on their balcony and get some views of the old port. On our day there was a cruise ship within eye's view!
They have done an admirable job in keeping some of the history and original rock and brick of the past. Artifacts behind glass are nice to gaze at to think of how time was many hundreds of years ago! Next was a Pirate ship and tour and explanation for the kids which was done in interesting and curious fashion.
Finishing off the trip was a visit to their 2-D theatre in which you get an 18 minute history lesson of Montreal (available in French, English and Spanish)! It's a nice finishing touch to make you leaving with a positive impression of Montreal.
I'd recommend this as a tourist attraction but some may be disappointed as it's a small museum. I'd recommend not coming in here with huge expectations and you may be surprised or disappointed depending on your mood and temperament!