According to boston-hotels.net travel data, there are 23 child-friendly deals to choose from.
The Westin Seaport District (rating: 7.0/10) is located in Waterfront district. It features a tennis court, an outdoor swimming pool and an indoor swimming pool along with cable channels, a dining area and a work desk in basic, comfortable and welcoming rooms.
Four Seasons rated 8.2/10 is also a good option with an indoor swimming pool, newspaper service and a Jacuzzi. You may book a basic, air-conditioned and cosy room equipped with cable channels, a balcony and a work desk for about 903US$ per night.