A barren rock outcrop with a small pebble beach serves as a resting-place for the gulls, ducks and other seabirds.

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General Information
This island of Boston Harbor Islands national park area is managed by Massachusetts Department of Conservation and Recreation (DCR).

Agency Designation:  Harbor Islands Reservation
Current Use:  Park purposes
Harbor Location:  Quincy Bay
Acreage:  6 (upland acres: 0.45; intertidal acres: 5.48)
Highest elevation:  3 feet
Longitude:  42° N/A" North
Latitude:  70° N/A" West
Miles from Long Wharf:  7

Visitor Facilities & Services

Hours:	Access discouraged	Piers/Docks:	No
Visitor season:	0	Boat slips:	0
Visitor staff:	No	Moorings:	0
Guided tours:	No	Park boats:	None
Lifeguards:	No	Car access:	No
Flush toilets:	No	Campsites:	0 (capacity ea: 0)
Composting toilets:	No	Group campsites:	0 (capacity ea: 0)
Picnic areas:	No	Camping capacity:	0
Refreshments:	No	Cooking grills:	0
Drinking water:	No	Walking trails:	No

Visitor Cautions: Rocky, dangerous approach.

Natural History Overview
Vegetation
Sumac and other salt-tolerant herbaceous plants.

Wildlife
Survey in progress.

Geology
The island is composed of low granite and slate outcroppings and fine gravel beach. Rising three feet in elevation, the island is difficult to see at high tide. The island was larger and higher prior to quarrying in the colonial period.

Water Features
No constructed water features.

Views and Vistas
Due to its low elevation, the island is difficult to see from other harbor islands or the mainland. The island is located between Wollaston Beach, Squantum, Moon, Long, Rainsford, Peddocks and Nut islands.

Structures
Buildings

• None

Fortifications

• None

Other Structures

• None 

Alternate Names
Island names have changed, depending on ownership and the customs of the times. What's in a Name? lists alternate names for park islands (and a few harbor islands not within the park). Following is a known alternate name for Hangman Island:

• Hayman's Island