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Making America's Best Idea Even Better
Boston Harbor Islands National Recreation AreaMinutes Away. Worlds Apart.
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Boston Harbor Islands National Recreation Area
Island Facts
 

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34 Boston Harbor Islands

 
Choose an island below for details about each of the islands in the park. The topics shown are size, location, managing agency, facilities, natural history, historical sketch . . . and more.

 
 
The sizes of the islands in the park change every hour, as the ocean tides ebb and flow on their shores. All totaled, the park islands change from 1,483 to 3,067 acres during the tidal cycle. Learn how island acreage was measured, considering daily tides.

The names of several islands have also changed over time. How we selected the spelling of island names, and alternate names for some islands, are described in, "What's in a name?"
Boston Harbor Inner Islands
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Bembidion nigrpiceum  

Did You Know?
Scientists have recently identified a beach-dwelling ground beetle at Boston Harbor Islands that has not been seen in North America for over 100 years. It is believed the beetle, Bembmidion nigropiceum, was brought to Boston from Europe in the 1800s via ship ballasts.
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Last Updated: November 04, 2008 at 12:09 EST