99 High Street is a premier, 32-story, 730,208-square foot Class A office tower located in the vibrant heart of Downtown Boston. Perfectly positioned at the intersection of High, Congress, and Purchase Streets, 99 High offers unbeatable access to South Station, The Greenway, the Seaport District, and major highways including I-90 and I-93.
Synergy acquired the property in 2025 and recently delivered an upgraded suite of modern amenities, called NEXUS, that includes a robust conference center with a 25-person executive boardroom, lounge areas, phone rooms, and a 100-person training room; a fitness center with strength and cardio equipment, weekly classes, and private wellness rooms; and a social lounge for downtime between meetings.