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Oyster Regulations in Massachusetts (2026)

Recreational oyster rules in Massachusetts saltwater, as published by the Massachusetts Division of Marine Fisheries. Last checked November 7, 2026.

Size limit
3 in shell diameter

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Recreational Oyster rules in Massachusetts

Where
Statewide
Size limit
3 in shell diameter

Official source

Quick answers

What is the oyster size limit in Massachusetts?

3 in shell diameter.

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More clams, oysters & scallops in Massachusetts

All Massachusetts saltwater fishing regulations →

Source: Massachusetts Division of Marine Fisheries. Most anglers need a Massachusetts saltwater license or registry: get one here.