Deer Island

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    Guide

    Where the Star-Spangled Banner was born: a compact fort with sweeping harbor views and living history. It’s an easy win—flat paths, open lawns, and a visitor film that sets the scene in under 15 minutes.

    Start at the visitor center for your map, then follow the ramp to the east wall for the best harbor vantage. Time your visit for a flag raising or lowering—the ranger talk turns the place into a story you’ll remember.

    For a slower visit, circle the star-shaped ramparts clockwise and watch ships move in and out of the Patapsco.

    FAQ

    What’s new? Updated today
    • Sunset flag lowering 6:30pm (Fri–Sun)
    • Temporary exhibit: War of 1812
    • Harbor shuttle every 20 minutes
    What are the hours? — 9:00–17:00 (daily)

    Hours may vary for holidays and special events; check the official site before you go.

    How much does it cost? — $15 adults · kids free

    Admission covers the fort and visitor center exhibits; special tours may be extra.

    Where do I park? — On-site lot + overflow

    Lots can fill on weekends by mid-day; arrive early or consider rideshare.

    Is it accessible? — Flat paths; accessible restrooms

    Most ramparts have graded access; some historic areas may have uneven surfaces.

    Tips

    • Arrive 30 min before sunset for the lowering ceremony and best light.
    • Wind picks up on the ramparts—bring a light jacket even in summer.
    • Stroller route: enter via visitor center, ramp to east wall loop.
    Add visit

    Once a place of exile, a prisoner-of-war camp, and an internment site for Native Americans, Deer Island has transformed into one of Boston’s most scenic and significant coastal destinations. Located at the entrance of Boston Harbor, this eco-friendly peninsula offers stunning skyline views, waterfront trails, and a glimpse into one of the world’s most advanced wastewater treatment facilities.

    Today, the 60-acre Deer Island Park is a haven for hikers, cyclists, and photographers, with 5 miles of walking trails along rocky shorelines, rolling hills, and panoramic harbor vistas. But beyond its natural beauty, Deer Island plays a crucial role in protecting Boston’s water quality—home to the Deer Island Wastewater Treatment Plant, a $3.8 billion engineering feat that treats millions of gallons of water daily, restoring the health of Boston Harbor.

    History buffs can also explore interpretive plaques detailing the island’s past, including its tragic role as a forced internment site for Native Americans during King Philip’s War in 1675 and its use as a prisoner-of-war camp during the American Revolution. Whether you’re here for outdoor recreation, history, or an awe-inspiring view of the city, Deer Island is a hidden gem blending nature, history, and environmental innovation.

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