Whether for business or pleasure, the Sheraton Portsmouth Harborside Hotel provides the perfect environment in which to gather. With 16 meeting spaces, most with windows looking out onto the Piscataqua River, we are able to host meetings and conferences for up to 350 people. Our flexible meeting space includes our Grand Ballroom, and Amphitheater, as well as two executive boardrooms. Whether you're planning an elegant banquet, a traditional lobster bake, or an annual board meeting, our culinary expertise and outstanding staff will ensure a smooth and successful event. All meeting space also offers High Speed Internet Access and audio-visual capabilities.