Community of Yarmouth, Maine Photo - Yarmouth welcome highway sign Yarmouth, Maine, a town with a population of about 8,500 people, is located in southern Maine, about 15 miles (24km) north of Portland, Maine,. The town is located on the coast of Casco Bay, a popular recreation and fishing area. The town is home to both businesspeople who work in Portland and fishermen who work on the bay. The town's architecture reflects its rich history, dating back to the 1600's. The town was home to several shipyards during the 1800's and then a paper mill in the early 1900's. Today the town is mostly residential with some shops and businesses. If you're looking for a great getaway, then head to Maine. You'll find something special in each region. Embark on outdoor adventures like llama trekking, camping, skiing and snowmobiling. Go antiquing in charming villages. Relax on sandy beaches. Encounter amazing wildlife including whales, puffins and the mighty moose. Immerse yourself in Maine's unique culture at our festivals and fairs. And of course, enjoy lobster the Maine way — fresh from the ocean.