Retail or office space available at 637 E 1st St, a boutique condominium building featuring a single street-level commercial unit with prominent frontage along East 1st Street – ideal for maximizing visibility and foot traffic. Located in South Boston’s highly desirable East Side neighborhood, the property benefits from close proximity to the Seaport District, popular restaurants, cafés, and public transit hubs, making it an attractive opportunity for both retail and office tenants seeking strong exposure and convenience.