A toast to summer.

PARTY
Uncorked Events Best of the Best Summer Solstice Party
What: The wine-tasting gurus celebrate their sixth anniversary poolside, with more than 125 wines and 25 craft beers from around the globe, light bites from Chambers Eat + Drink, and music by the Cello Street Quartet.
Why: It’s the longest day of the year, so expect it to be light out until 9.
When: Wed., 6-9 p.m.
Where: Phoenix Hotel, 601 Eddy St., at Larkin St. (415-776-1380). Tickets ($60) at eventbrite.com.

LastBash
What: A new site to help coordinate group trips, like a girls’ weekend or bachelorette party. The interface collects R.S.V.P.s, divvies up expenses, and allows everyone to collaborate on planning.
Why: More party, less planning.
When: Baja’s calling.
Where: At lastbash.com.

SHOP
Chronicle Books Spring Warehouse Sale
What: Score 65 percent discounts on top picks from the local publisher, including travel, children’s, and pop culture books; journals and stationery; crafts; and cookbooks.
Why: It’s a veritable reading rainbow.
When: June 20-22, 9 a.m.-7 p.m.
Where: 680 2nd St., at Townsend St. (415-537-4200).

EAT
Sous Beurre Kitchen at Dear Mom
What: Usually housed in Sugarlump, the French-inspired pop-up pulls double duty by appearing at Mom’s favorite dive every Monday in June.
Why: Weekly variations of pâté and sausage (we tried and fell for chicken liver mousse on crostini).
When: Mon., 5-11 p.m.
Where: 2700 16th St., at Harrison St. (415-625-3362).

Creperie Saint-Germain’s New Location
What: The popular FiDi crepe creators open a third spot.
Why: Gluten-free buckwheat crepes in flavor combos like mozzarella, avocado, and tomato; bacon, egg, and cheddar; and Nutella, banana, and strawberry.
When: Mon.-Fri., 5 a.m.-5 p.m.
Where: 555 California St., at Kearny St., in the Bank of America bldg. (415-948-7348).

Photo: Lara Hata / Getty Images