page_title: Provincetown Harbor
section_title: Marine life
hierarchical_section_title: Provincetown Harbor / Marine life
context_page_description: Provincetown Harbor is a large natural harbor located in the town of Provincetown, Massachusetts. The harbor is mostly 30 to 90 feet deep and stretches roughly 1 mile from northwest to southeast and 2 miles from northeast to southwest – one large, deep basin with no dredged channel necessary for boats to enter and exit.
  A tall green buoy east of Long Point marks the entrance to Provincetown Harbor from Cape Cod Bay.
context_section_description: Provincetown Harbor supports a wide variety of marine life from algae, seagrasses and plankton through bryozoa, hydroids, echinoderms, crustaceans, mollusks, fish, birds, marine mammals, and other animals.
  The harbor is an amazingly diverse and productive habitat. The following tables list in no particular order 94 examples of marine life that are regularly observed within the harbor. A few landbirds are included that are common around MacMillan Pier, on the beaches, and on the breakwater.
caption: North Atlantic right whales
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