530 Whitfield Street is a distinctive waterfront commercial property located directly on Long Island Sound in Guilford, Connecticut. The two-story building totals approximately 14,755 square feet and is positioned on a 4.6-acre shoreline site, offering unobstructed 180-degree water views and a setting rarely available for lease in the shoreline market. Designed to accommodate a wide range of professional, research, and marine-related users, the property combines a flexible interior layout with exceptional coastal visibility and access. The building is located within Guilford’s Marine Commercial (MC) zoning district and benefits from strong regional connectivity, with convenient access to I-95 (Exit 58) and the Guilford Shore Line East train station. Ample on-site parking, waterfront adjacency, and proximity to marinas and shoreline amenities make this an ideal opportunity for tenants seeking a high-profile coastal location with functional commercial infrastructure.