Melineige Beauregard of Montreal won with this work titled "Nest.”Erin Clark for The Boston GlobeBeauregard also won the competition in 2016.Erin Clark for The Boston GlobeSpectators enjoyed taking photos of the artists’ works.Erin Clark for The Boston GlobeJonathan (Jobi) Bouchard took second place with "Shelter.”Erin Clark for The Boston GlobeIlya Filmontsev of Russia placed third place with "Guardian Angels.” Erin Clark for The Boston GlobeSand sculptures lined much of the beach.Erin Clark for The Boston Globe Erin Clark for The Boston GlobeLillian Hornstine (center), 7, created a sculpture themed after a diner with her friend Penny Prevost.Erin Clark for The Boston GlobeLulu Wang-He of Auburn, Ala., played in the sand with her friend, Cindy Wu of Boston.Erin Clark for The Boston Globe Erin Clark for The Boston Globe