• Views from Penobscot Mountain summit.

    Acadia

    National Park Maine

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  • Trail Closure: Gorge Path weekdays, 7 am - 4 pm

    The section of the Gorge Path between the Hemlock Path intersection and the A. Murray Young Trail intersection is closed until rehabilitation work is completed. The closure will be in effect Mondays through Fridays only, from 7 am to 4 pm.

  • Bubble Pond Carriage Road closure

    Bubble Pond Carriage Road will be closed to all traffic Monday 9/15- Wednesday 9/17 from the parking lot to Triad-Day Mountain Bridge. More »

Field Guide to Marine Invertebrates

This field guide will help you identify some of the marine invertebrates in the intertidal zone along the coast of Mount Desert Island. Explore the categories below to see descriptions and photos of some of the species you might find.

The field guide was developed by Sarah Hall and Joseph Stachelek, under the guidance of Professor Susan Brawley, for their senior capstone project at the University of Maine.

To learn how to have a safe, fun experience in the intertidal zone, read about tidepooling.

Did You Know?

A Passamaquoddy birchbark basket with the image of a moose on it

The Passamaquoddy Kit is an educational tool for teachers to help teach students about Passamaquoddy culture in Maine. The kit is a collaboration between the Abbe Museum and Acadia National Park staff.