Mermaid's Envy 83 9th Ave, Kings Park, NY11754 Mermaid's Envy makes handcrafted beach glass and sea shell jewelry pieces finished with sterling silver and gold…More accents. The beach glass is collected locally from the shores throughout Long Island. The company specializes in necklaces, earrings, bracelets, anklets and rings. The jewelry is available for purchase online and at local crafts shows. Custom designs are available.