The Ellen Hermanson Foundation will host its 30th Summer Gala on Saturday from 6:30 to 11:30 p.m. at the Bridgehampton Tennis and Surf Club.

Cindy and Joe Realmuto have “been an instrumental component of Project Most since its inception,” its executive director, Rebecca Taylor, said. They will be celebrated at a summer benefit on Sunday at Moby’s in East Hampton.

The seventh annual Hamptons Dog Show is on Saturday from 4 to 7 p.m. at the American Legion Hall in Amagansett, with the East Hampton Lions Club hosting this fund-raiser for the Guide Dog Foundation of Long Island.

The 300th anniversary of Miss Amelia’s Cottage, on Main Street in Amagansett, will be celebrated on its grounds on Saturday from 4 to 7 p.m. Food, drinks, and music will be offered, and the 1850 Lester Barn will be open.