Oyster Pond (Martha's Vineyard)

Oyster Pond is a brackish pond located in Edgartown, Martha's Vineyard, Massachusetts. It is situated south of the Edgartown Great Pond and west of Katama Bay, separated from the latter by a narrow barrier beach. The pond is characterized by a mix of fresh and saltwater, creating a unique environment that supports a diverse ecosystem.

Oyster Pond's salinity levels fluctuate due to freshwater runoff, groundwater intrusion, and occasional breaches of the barrier beach which allow seawater to enter. This brackish nature allows for a variety of plant and animal life to thrive, including shellfish (historically oysters, hence the name), various fish species, and waterfowl.

The pond is a popular location for recreational activities such as kayaking, paddleboarding, and birdwatching. It is also a subject of ongoing ecological monitoring and research, aimed at understanding and preserving its sensitive environment. Conservation efforts are focused on maintaining water quality, managing invasive species, and protecting the surrounding watershed.