There is an outdoor pool. They also have a few BBQ grills for quests to use as well
There is an outdoor pool, which we took advantage of, since it was August. I'm not sure about an indoor pool.
There is only an outdoor pool.
I would not recommend this Hyatt House since it is poorly managed. I prefer Homewood Suites or Hilton Garden Inn.
Get an answer from HYATT house Boston/Waltham staff and past guests.