Comfort Suites Downtown/Seattle Center -- The suites make this a good family choice, and the location near the Seattle Center will make the kids happy.
MarQueen Hotel -- A few blocks from Seattle Center and its many attractions is this converted apartment building, which provides a convenient location for families, as well as spacious suites with kitchenettes.
Seattle Marriott Sea-Tac Airport -- With a huge jungle-y atrium containing a swimming pool and whirlpool spas, kids can play Tarzan and never leave the hotel. A tiny game room has a few video games.
Silver Cloud Inn -- Lake Union -- Right across the street from Lake Union and several reasonably priced restaurants, this modern hotel has an indoor pool and spacious rooms.
Westin Seattle -- Parents will love the views from the tallest hotel in Seattle, while the kids will enjoy the pool -- a rarity in downtown hotels.