Barnstable Great Marsh is an integral part of the ecologically significant 3,800-acre Sandy Neck salt marsh and barrier beach system. Along with the expansive salt marsh views, the sanctuary features two open ponds, shady oak woodlands, and numerous wildlife.

Three species of owls commonly inhabit the sanctuary in winter, and five species of turtles nest here in summer.

• 113 acres
• 1.5 miles of trail + Coastal overlook for spectacular views of the Barnstable Harbor and Sandy Neck Barrier Beach.
• Home to numerous ground-nesting birds including Northern Harrier, American Woodcock, Saltmarsh Sparrow, and Willet. 
• Please exercise caution at unsignalized railroad crossing

Trails at Barnstable Great Marsh
Cedar Trail
Otter Trail
Sandy’s Trail
Cow Path
Cooper Pond Loop

The trails are described on the sanctuary website.