Prime 1,800 SF first-floor retail space available for sublease in the heart of Arlington Center at 626 Massachusetts Ave. Highly visible storefront with excellent frontage, large display windows, and steady daily foot and vehicle traffic (19,500+ vehicles/day). Surrounded by banks, restaurants, cafés, and established local retailers. The property offers a Transit Score of 94 and easy access to public parking and transit. Ideal for boutique retail, wellness, or professional services. Anchored by Cambridge Savings Bank, this location serves an affluent trade area with median household incomes over $130K. Flexible open layout with signage opportunities. Available immediately.