Hyatt Regency Boston / Cambridge

Modern, warm rooms feature 42-inch flat-screen TVs and coffeemakers, plus iPod docks and Wi-Fi. Upgraded rooms add balconies with views of the Charles River, while suites feature sitting areas with pull-out sofas.

Amenities include a polished New England-inspired restaurant with a terrace and sea views, plus a cozy lounge and a market with grab-and-go fare. 
There's a 24-hour gym.