Bordering Penobscot Bay at 172 Indian Bar Road, Brooksville, ME 04617, Holbrook Island Sanctuary protects many different ecosystems. From the beaches, mud flats, and rocky coast to the tops of steep hills that are actually old volcanoes, the sanctuary hosts a great diversity of plant and animal life. Dogs on a leash no longer than 4 feet are allowed on the beach only during the off-season, from Oct. 1st to April 1st.
More information on Holbrook Island Sanctuary
