It’s spring, doggone it.

SNIFF OUT
The Urban Hound Hotel Grand Opening
What: Celebrate the debut of Rebecca Willson’s pooch palace, which appeases working-owner guilt with 8,500 square feet of play areas, classrooms, and luxury sleep suites. Leashed dogs are welcome.
Why: Copious bubbly from The Urban Grape (Fido won’t mind the swerving late-night walk).
When: Fri., 5-8 p.m.
Where: 129 Malden St., South End (617-755-5775). R.S.V.P. (by Fri. morning) to rebecca@urbanhounds.com.

SUPPORT
Bakesale for Japan
What: Cram your craw with homemade goodies from local chefs — professional and amateur — during an afternoon benefit that is one of 40 happening simultaneously across the nation.
Why: All proceeds go to the ground-relief efforts of Peace Winds Japan.
When: Sat., 10 a.m.-2 p.m.
Where: Ula Cafe, 284 Amory St., Jamaica Plain (617-524-7890). Email bosbakesale@gmail.com to volunteer services or baked goods.

Six more easy ways to give back to Japan.

EAT
Ten Tables Restaurant & Bar Provincetown
What: The new April-to-November outpost of Krista Kranyak’s locavore haven serves the same farm-focused fare (with an emphasis on Cape-sourced seafood) in a Victorian home setting.
Why: Gorgeous 30-seat patio and an upstairs lounge for cocktails, wine, and a more casual bar menu.
When: Opens Fri. Mon.-Thurs., 4 p.m.-midnight; Fri. & Sat., 4 p.m.-1 a.m.; Sun., 3 p.m.-midnight. (Sunday brunch begins May 8.)
Where: 133 Bradford St. (508-487-0106).

SHOP
Think Spring at SoWa Vintage Market
What: Regional secondhand purveyors hawk spirit-lifting garden wares as well as clothes, jewelry, and furniture during a special preseason edition of the summertime exchange.
Why: Sangria, mimosas, and pie sweeten the deal(s).
When: Sun., 10 a.m.-5 p.m.
Where: 460c Harrison Ave., South End. Parking is available at 540 Harrison Ave.

ENTER
The Art of ReUse
What: Green Is Universal and DIY wunderkind Etsy are challenging you to repurpose and upcycle home decor, fashion, jewelry, gadgets, and more.
Why: Besides your light carbon footprint? A trip for four to Universal Studios.
When: Thru Apr. 8.
Where: Sign up online at greenisuniversal-reuse.com.

PARTY
Grendel’s Den 40th Anniversary Bash
What: Laud four decades of subterranean subterfuge via free-flowing beer, appetizers, live tunes, and organic cake from Sugar High Sweetz.
Why: Raffle tickets support local school garden developer CitySprouts.
When: Fri., 9-11 p.m.
Where: 89 Winthrop St., Harvard Square (617-491-1160). Tickets ($19.71, to commemorate its opening year) at the door.

Photo: Courtesy of The Urban Hound Hotel