This battle was fought on May 27 and 28, 1775, on Chelsea Creek and on salt marshes, mudflats, and islands of Boston Harbor, northeast of the Boston peninsula.
Pertempuran ini terjadi pada 27-28 Mei 1775 di Chelsea Creek serta rawa asin, dataran lumpur, dan pulau-pulau di Boston Harbor, di sebelah timur laut semenanjung Boston.