The park is open year-round.
The Visitor Center in Ottoville is open weekdays 8:00 am to 4:30 pm.
The nearest airport is Pago Pago International Airport on Tutuila. Currently two flights a week round trip serve here from Honolulu. The International Airport at Upolo in nearby (Western) Samoa is served by several flights weekly from Australia, New Zealand and Fiji. Connecting flights serve Tutuila from Upolo by twin-otter aircraft nearly daily.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.