Gulf of Maine Research Institute - A nonprofit organization dedicated to the complex challenges of ocean stewardship and economic growth in the Gulf of Maine bioregion. Portland Maine Info Link - Area tourism resource directory, where to go, what to do, where to stay. Links to local arts, dining and lodging. Not limited to Portland. Portland Water District - Customer service, including rates and directions to their facilities. Includes information on wastewater, lake levels, news and education. City of Portland - Portland City Hall . The official city website furnishes information about the government, municipal services, area events, recreation and encourages e-mail for the City Council. Many links. Portland Maine Downtown District - Discover the downtown shopping district in Maine's largest city. Cross Insurance Arena - A multi-purpose entertainment and sports facility that hosts a wide variety of family shows, concerts, sporting events, and trade shows. Provides a map, directions, description of facility, calendar of events, and box office information.