The Parrish Art Museum hosts its Midsummer Party, featuring the photography collections The Landmarks of New York and Liminal Ground: Adam Barton Long Island Photographs, 2009– 2011. 6:30 p.m. Parrish Art Museum arboretum, Southampton. Call: 631-283-2118 ext. 42.

Join our four-legged friends at the Southampton Animal Shelter Foundation’s Unconditional Love Gala honoring Ellen and Chuck Scarborough. The event is chaired by Jean Shafiroff and hosted by Sandra McConnell and includes cocktails, dinner, and dancing. 7 p.m. Private home, Southampton. Call: 631-728-7387 ext. 240 or visit SouthamptonAnimalShelter.com.

Join Mariska Hargitay, Liev Schreiber, and Naomi Watts for the Children’s Museum of the East End Great Outdoors Family Fair. Featuring nature-inspired arts and crafts, water slides, and a climbing wall, the afternoon of entertainment, games, music, and more is sure to be a wild time! 10:30 a.m. Bridgehampton. Call: 631-537-8250.

The James Beard Foundation hosts its annual summer tasting party, Chefs & Champagne, to celebrate Emmy Award-winning TV personality Ted Allen and the other judges of the Food Network’s Chopped. The afternoon will feature flowing wines and champagne, and culinary offerings from over 30 fine chefs. 6 p.m. Wölffer Estate Vineyard, Sag Harbor. Call: 212-627-2308.

Be the first to view the spectacular designs at the Hampton Designer Showhouse’s Gala Preview Party, presented by Traditional Home magazine. The event, which benefits Southampton Hospital, will feature 25 top interior designers and decorative artists who will turn a lavish shingle-style home into a decorating masterpiece. The show continues through Sept. 2. 6 p.m. Water Mill. Call: 212-980-1711.

Bay Street Theatre’s Summer Gala Benefit, titled Rock the Dock, will include cocktails, hors d’oeuvres, a tapas dinner, dancing, auction items, and more. 6:30 p.m. Long Wharf, Sag Harbor. Call: 631-725-0818.

The sky over Three Mile Harbor will light up for the Max Cure Foundation Fireworks event, benefiting Fundacion Amistad. With performances by the Big Apple Circus and the Dukes of Brooklyn, this dinner and fireworks celebration is sure to be a blast. 6:30 p.m. Duke Home, East Hampton. Call: 631-329-5480.

The Hamptons’ oh-so-social definitive summer sporting event returns with the 16th Anniversary Season of Bridgehampton Polo Club, running six consecutive Saturdays. With international polo star and Ralph Lauren model Nacho Figueras now a partner in the club, the season will be even more elite and engaging than ever. 4 p.m. Two Trees Farm, Bridgehampton. Call: 631-613-1377.

The summer is heating up at the Ellen Hermanson Foundation’s Heat event. MC’d by Rosanna Scotto, the event will feature cuisine prepared by newly minted Iron Chef Geoffrey Zakarian, and will honor cancer survivor Dee Dee Ricks. 6 p.m. Dr. Howard and Gayle Sobel’s home, Bridgehampton. Call: 631-329-5480.

Shop till you drop at the Ovarian Cancer Research Fund’s Super Saturday event. Hosted by Kelly Ripa, Donna Karan, InStyle, and QVC, this one-of-a-kind designer garage sale will feature over 200 designers, a kids’ carnival, and gourmet dining. 1 p.m. Nova’s Ark Project, Water Mill. Call: 212-759-2800.

Russell Simmons, Danny Simmons, and the board of directors of Rush Philanthropic Arts Foundation invite you to the 13th annual Art for Life Garden Party, Living in Color, honoring Nick Cannon and Mariah Carey. The evening, MC’d by Star Jones and hosted by Soledad O’Brien, includes cocktails, dinner, a silent auction, and performances by Anita Baker, Salt-n-Pepa, and Diggy Simmons. 6 p.m. Russell Simmons’ estate, East Hampton. Call: 212-254-6677.

Join Sharon Stone, Steve Buscemi, Alan Cumming, Willem Dafoe, and Gloria Vanderbilt at the Watermill Center’s Summer Benefit, titled Big Bang. Benefit artists and Watermill International Summer Program participants will create eight acres of installations and performances throughout the grounds of Watermill. 6 p.m. The Watermill Center, Water Mill. Visit: WatermillCenter.org.

Attend Hayground School’s annual Chef’s Dinner, benefiting Jeff’s Kitchen and the Jeff Salaway Scholarship Fund. The dinner will showcase great Manhattan and local chefs and feature a festive cocktail party and VIP dinner in Jeff’s Kitchen. 5:30 p.m. Hayground School, Bridgehampton. Call: 631-537-7068 ext. 113.

Experience music at its finest at the Mostly Mozart Festival, where you can expect more than 30 events, including opera, dance, film, lectures, and, of course, music. The theme of this year’s festival is birds: the originators of song and an inspiration for countless composers. The festival will continue through Aug. 25. Lincoln Center. Call: 212-875-5000.

Join honorary jewelry chair Graff Diamonds and Southampton Hospital for the hospital’s 54th annual Grand Prix Monaco Summer Party. The energy-driven evening will include cocktails, dinner, and dancing, as well as a silent auction and raffle. The gala will benefit the Jenny and John Paulson Emergency Department. 6:30 p.m. Wickapogue Road, Southampton. Call: 631-726-8700 ext. 7 or 3.

Enjoy a summer celebration at the Albert Einstein College of Medicine of Yeshiva University’s Wild, Wild West Carnival. The event includes everything from hula-hoop contests and pony rides to a giant slide and jewelry making, plus a silent auction and raffle. 10 a.m. The Ross School, Bridgehampton. Call: 718-430-2818.

The annual Guild Hall Summer Gala promises a vivacious evening of music, dancing, dining, and artwork! Not only will there be an exhilarating live art auction, but guests will be privy to an exclusive sneak preview of the new Eric Fischl exhibition. 6 p.m. Guild Hall, East Hampton. Call: 631-324-0806 ext. 13.

Eat, drink, and be merry at Jean-Georges Vongerichten’s À la Carte Hamptons Happening. The event features the cuisine of chefs from seven Vongerichten restaurants, including ABC Kitchen, Mercer Kitchen, the Mark, and Spice Market. The culinary carnival benefits the Samuel Waxman Cancer Research Foundation. 6 p.m. Private home, Bridgehampton. Call: 631-329-5480.

Calling all party animals! The Evelyn Alexander Wildlife Rescue Center invites you to its Get Wild Summer Benefit for a clambake as well as music, dancing, live animals, and a silent auction. 6 p.m. Dune Beach, Southampton. Call: 631-728-4200.

Stretch your muscles and open your heart for the Lung Cancer Research Foundation’s seventh annual Strides for Life run/walk. The three-mile fun run around beautiful Lake Agawam is followed by an awards presentation, plus a free 50-yard dash for children. 9 a.m. The Cultural Center, Southampton. Call: 646-290-5154.

The Ross School transforms into a magical fairground for Max Cure Foundation’s fourth annual Roar for a Cure Carnival. In addition to all of the family-fun games and activities, there will be a fully catered lunch as well as music, a silent auction, raffle, and even a relaxation tent for weary parents. 12 p.m. East Hampton. Call: 631-907-5000.

Root for the home team at the annual Artist and Writers Celebrity Charity Softball Game. Players expected include Christie Brinkley, Alec Baldwin, B. Smith and Dan Gasby, Ken Auletta, Leif Hope, and Countess LuAnn de Lesseps. 2 p.m. Herrick Park, East Hampton. Call: 631-288-7080.

Enjoy an evening on the ocean at the Animal Rescue Fund’s Beach Ball. The event, MC’d by Chuck Scarborough, includes a raw bar, dinner, dancing to tunes spun by DJ AndrewAndrew, and silent and online auctions with CharityBuzz.com. 6:30 p.m. Bridgehampton Tennis and Surf Club. Call: 631-537-0400 ext. 216.

The Hampton Classic Horse Show is back and better than ever. The nation’s premier show jumping competition returns to Bridgehampton with exciting equestrian competition, luxurious shopping, and activities for the whole family. The event culminates on Sept. 2 with a jam-packed VIP day under the Grand Prix Tent, featuring events like the Carolex Show Jumping Derby, Hermès Hunter Classic, and the FTI Grand Prix and FEI World Cup Qualifier. 8 a.m. Bridgehampton. Call: 631-537-3177.

The weeklong Salome Music Festival kicks off with a benefit gala for the Trevor Project, featuring Rufus Wainwright and violist David Aaron Carpenter. The festival makes stops at various venues in the Hamptons, and includes a free Opera Under the Stars concert in Agawam Park on Sept. 1. 6 p.m. Guild Hall, East Hampton. Visit: SalomeChamber.org.