Nine months ago, Jeremy Grosvenor of Sagaponack suffered a dislocated hip while surfing at Camp Hero’s Radars break. He had experienced mishaps while surfing before, but nothing like this.

Throughout July, Colette Dong and Aly Giampolo have set up shop — a rather bouncy shop — at the Topping Rose House in Bridgehampton. The two friends met while performing in a dance company and formed the idea for the Ness, a type of trampoline workout that they describe as “an aerobic form of cross-training.”

An indoor regulation-size N.H.L. hockey rink will be up and running at Riverhead’s Stotzky Park by the fall, Troy Albert of the Peconic Hockey Foundation said last week.