Mermaidcore's Elevation Is Becoming 2026's Most Commercially Complete Beach-to-Street Aesthetic Mermaidcore Grew Up — and the Fashion Industry Followed ELLE has officially rebranded mermaidcore for summer 2026 — dropping the literal shells-and-fish aesthetic of 2016 for something more elevated: crochet, netting, nautical motifs, gauzy fabrics, paillettes, and sunset hues. The summer siren is the same ocean-inspired impulse filtered through contemporary fashion intelligence. O
