• Everything But Water is hosting a trunk show for Patricia Underwood at its East Hampton store location. The designer will showcase her summer 2012 beach collection of bright straw and cotton seersucker hats. 66 Newtown Ln., nr. Park Pl., East Hampton, (631-324-5693); F (11–6).
• Celebrate the opening of the Rebecca Minkoff Summer Pop-Up Shop in Montauk. Shop beachwear and more for the rest of the summer! Solé East Resort, 90 Second House Rd., Montauk; (631-668-2105); Th–Sa (noon–8), Su (noon–6).
• Dresses and accessories are discounted up to 75 percent at the Lisa Perry sample sale. 988 Madison Ave. at 77th St.; daily (10–6). Through 7/10.
• All designs are 20 percent off at Kartell's semiannual sale, including favorites such as the Louis Ghost chair by Philippe Starck, the Audrey chair by Piero Lissoni, and more. 39 Greene St., nr. Grand St., (212-966-6665); M–Sa (11–7), Su (12–6). Through 7/31.
• Desiron's Soho showroom is having its annual summer sale with 30 to 40 percent off all new orders on the brand's American-made, contemporary home furnishings. 151 Wooster St., nr. Houston St. (212-353-2600); M–Sa (11–7), Su (12–6). Through 7/31.