A dance card stuffed with Yankee swaps and ugly-sweater smackdowns pushed New Year’s planning to the “deal later” column. Before the clock runs out, book your final-countdown carousing at one of these new-in-2011 spots.

Casa B
The scoop: Spanish-Caribbean tapas to usher in 2012? Si, por favor. The just-opened Union Square restaurant toasts its two weeks of existence with three-fish ceviche, Colombian cheese fritters, and grilled chorizo in coconut sauce.
The midnight bounty: Raise your glass of picante y cilantro (tequila, Cointreau, fresh lime, jalapeno, cilantro, agave).
The details: A la carte; call 617-764-2180 to reserve.

Legal Harborside Roof Deck
The scoop: Shrimp- and oyster-laden raw bar, check. Roaring copper fireplace, check. Unparalleled view of harbor fireworks, check. Double-quick reservations, check.
The midnight bounty: Champagne, cupcakes, and chocolate-dipped strawberries in a winter wonderland setting.
The details: $80 per person; reserve online.

Area Four
The scoop: Afternoon buck-a-shucks give way to roasted heritage pig by the pile and pizzas inspired by famous chefs (e.g., the Wolfgang Puck smoked salmon and caviar pie).
The midnight bounty: Prosecco and dueling toasts from the co-owning Michaels (Leviton and Krupp).
The details: A la carte; reservations recommended.

Local 149
The scoop: Grab a fireside perch for off-menu specials like lobster cocktail, venison carpaccio, and barbecue Cornish hen; the regular wine menu gets padded with bubbles for the night.
The midnight bounty: Passed champagne and party favors.
The details: A la carte; call 617-269-0900 to reserve.

Blue Inc.
The scoop: Chef Jason Santos goes global with an eclectic three-course feast of Hawaiian-style tuna poke, Kurobuta pork Wellington, and goat cheese-stuffed chiles rellenos. Guests can customize their menus with foie gras and wine pairings.
The midnight bounty: Champagne toast amid over-the-top blue and silver decor.
The details: $60-$90 per person; call 617-261-5353 to reserve.

Tres Gatos
The scoop: Low-key celebrants unite for a three-course Spanish menu of roasted bone marrow, saffron seafood soup, and cream catalana, all chased with a glass of cava.
The midnight bounty: Vuvuzelas and a deejayed dance party.
The details: $50 per person; call 617-477-4851 to reserve.

Photo: Tetra Images / Getty Images