0 saved#5,801 of 6,224

National Clams on the Half Shell Day

A food observance on March 31 celebrating clams served on the half shell, typically raw with sauces, as a fresh seafood delicacy.

Wednesday

March 2027

Last updated February 26, 2026 · by the Holiday Calendar Team

Have an update or spot an error?

YEARLY DATEMarch 31

OBSERVED INUnited States

CATEGORYFood

SUBCATEGORYDining

ORIGIN

Community Origin

FOUNDING ENTITY

Not documented

FIRST OBSERVED

2001

HOW THE HOLIDAY CAME TO BE

The earliest documented mention of National Clams on the Half Shell Day appeared in a March 5, 2001, article in The Daily Texan.

+ Know the story? Submit a founder Help us complete this holiday

INTRO

Introduction

PHOTO

Get ready to shuck and slurp your way through National Clams on the Half Shell Day on March 31! While oysters may be the more popular choice when it comes to raw shellfish, clams have a special place in many seafood lovers' hearts. This day celebrates these tasty bivalves that have been enjoyed for centuries by people all over the world. From ancient civilizations to modern-day delicacies, clams hold a rich history and continue to be a beloved dish. So grab some lemon wedges and cocktail sauce, and let's celebrate this delicious holiday in style!

TIMELINE

National Clams on the Half Shell Day Timeline

Clam Harvesting Begins

Archaeological evidence from coastal communities suggests that people have been harvesting and consuming clams since prehistoric times.

European Clam Introduction

During the Age of Discovery, European explorers and colonists introduced clam harvesting techniques to the New World.

Clam Chowder Emerges

The popular clam dish, clams chowder, makes its mark in northeastern United States' culinary tradition.

Clams on the Half Shell Popularized

New York oyster bars begin serving clams on the half shell, popularizing this particular dish.

Sustainable Clam Farming

Advancements in aquaculture technology lead to sustainable clam farming, ensuring availability and promoting consumption.

GET INVOLVED

How to Celebrate National Clams on the Half Shell Day

Host a clambake

Gather your friends and family for a traditional clambake, complete with clams on the half shell, lobster, corn on the cob, and other seafood favorites.

VISIT

Visit a seafood restaurant

Try out a new seafood restaurant or revisit an old favorite to indulge in some fresh and delicious clams on the half shell.

HAVE

Have a clambake at home

Can’t make it to the beach for a clambake? Create your own version at home with fresh clams, corn, potatoes, and other seafood dishes.

TRY

Try different types of clams

Expand your palate by trying different types of clams, such as littleneck, cherrystone, or geoduck.

ORGANIZE

Organize a clams on the half shell tasting

Invite friends over for a clams on the half shell tasting party, where everyone can bring their own favorite recipe or try out new ones together.

WHY THIS DAY MATTERS

Why We Love National Clams on the Half Shell Day

They can be served in a variety of ways

Whether you prefer your clams raw, baked, or steamed with butter, there is no shortage of ways to enjoy clams on the half shell. Get creative in the kitchen and try out different recipes to find your personal favorite preparation.

It's a chance to try something new

If you've never had clams on the half shell, National Clams on the Half Shell Day is the perfect excuse to give them a try. You might just discover a new favorite dish!

Clams are a delicious and nutritious food

Clams are an excellent source of protein, vitamins, and minerals, making them a healthy addition to any meal. Plus, they're low in calories and fat - so go ahead and indulge guilt-free!