Someone shouted, “Part III next year?” and voices chimed yes. Kids began writing ideas on napkins: synchronized sand-angel teams, a lighthouse runway, a silent mime called The Last Sunscreen. The tide erased footprints and left others, smoothing paper scraps into cairns. The family began packing up — folding the banner, stuffing glitter back into a mason jar — but the arch remained for a while, stubborn as memory.