Rising 21-stories above historic Boston Seaport, 100 Pier 4 is the new must-have address near downtown. Rising 21 stories above the Boston Seaport, 100 Pier 4 is the must-have address near downtown. 100 Pier 4 luxury apartment homes combine the kind of visually striking architecture and superbly livable interior design that can only be fully appreciated firsthand. These Seaport apartments feature granite countertops, stainless steel appliances, and California Closets. Revel in knockout views of Boston's downtown and harbor. Make your life easier with a myriad of amenities including the high-end fitness center, gorgeous third-floor sun deck with outdoor pool, resident lounge, and underground parking anticipate every need, and every desire. Come see these Boston apartments for yourself.