POPULATION: 227,000 INFO: Shelter Bay is the largest city in Evergreen County, Douglas Island. It is the center in the Shelter Bay Metropolitan statistical area. The city is the center of commerce and commercial needs for the northwest region. It has an international airport, seaports, a ferry system, freeway system, rail system, and transit system. It is one of the wealthiest areas on Douglas Island. Shelter Bay has been ranked one of the top cities to live on Douglas Island.