You can shuck an oyster or steam clams year-round, but this weekend Greenport gets serious about bivalves at the fifth annual Shellabration, the village’s festival in honor of Peconic Bay mollusks.

On Dec. 3 and 4 from noon to 4 p.m., follow the tour for dishes that show off the season’s local shellfish, prepared by Little Creek Oyster Farm & Market, Noah’s, Industry Standard and Deep Water Bar & Grille — among others (click here for the full list). Also on tap you’ll find local beer and wine.

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Here’s how it works. You can buy a general admission wristband online for $25, which includes a glass of Greenport Harbor Ale and a raw bar tasting of clams and oysters at the Greenport Harbor Brewing Company. Here you will receive your tour map of participating restaurants.

After the initial tasting, small plates cost $5 with $3 pours of local wine and beer. Wristbands also lend access to discounts and promotions throughout Greenport Village.

Proceeds from wristband sales support the Cornell Cooperative Extension’s Marine Program, specifically the Back to the Bays Initiative and the Southold Project in Aquaculture Training (SPAT).

For more information or to buy a wristband, go to shellabration.li.