Clams & oysters · Shellfish & crabs · 2026 season

| Where | Season | Size limit | Daily limit |
|---|---|---|---|
| Maryland tidal waters (open areas) | Open year-round | 1 inch minimum | 250 clams per person per day |
Source: Maryland DNR Fishing & Boating Services, captured 2026-10-04 (2026 season).
Say it, snap a photo, or type the length. SlotGauge answers KEEP or RELEASE using today's Maryland rules.
Open SlotGauge for Hard ClamMollusc species native to the Americas
The hard clam, also known as the round clam, hard-shell clam, or the quahog, is an edible marine bivalve mollusk that is native to the eastern shores of North America and Central America from Prince Edward Island to the Yucatán Peninsula. It is one of many unrelated edible bivalves that in the United States are frequently referred to simply as clams. Older literature sources may use the systematic name Venus mercenaria; this species is in the family Veneridae, the venus clams.
Read more about Hard clam on Wikipedia →
Text from Wikipedia, CC BY-SA 4.0. Regulations on this page come from Maryland DNR Fishing & Boating Services, not Wikipedia.
1 inch minimum in Maryland state waters.
250 clams per person per day.
Open year-round.
A hard clam is a keeper today if it measures at least 1 inches, with a daily limit of 250.