Vincent DeWitt for the Boston Globe

David Shortt, owner of the Wee Packet restaurant and gift shop in Dennis Port, said business has been good this summer.

Vincent DeWitt for the Boston Globe

Chatham Candy Manor manager Kim Marsh held a shark-shaped lollipop.

Vince DeWitt for The Boston Globe

Jennifer Norwood, manager of the Mayflower newsstand and gift shop in Chatham, said business was good at the store this summer.

Vincent DeWitt for the Boston Globe

Boat owner David Bixby said he has seen three sharks in Chatham this summer.

Vincent DeWitt for The Boston Globe

Walker Coppedge, 36, of Brookline and his daughter Grace, 2, ate breakfast at Monomoy Coffee Company on Main Street in Chatham.

Vincent DeWitt for the Boston Globe

Monomoy Coffee Company owner Pierrette Cook served coffee and pastries.

Vincent DeWitt for the Boston Globe

Kiel Dzivasen, 25, of Douglas, played miniature golf at Pirate's Cove in South Yarmouth.