After more than two decades , the South Station Tower — all 51 stories of it — is finally complete.

“The project represents a forward-thinking approach to urban development, integrating premier commercial and residential space with critical public infrastructure,” Hines, a Texas-based real estate development company, said in a release Thursday.

The 690-foot-tall, mixed-use tower holds office spaces, as well as 16 floors that host 166 luxury condos managed by The Ritz Carlton, according to Hines.

Three tenants are set to move-in to the tower’s office spaces: law firm Jones Day , insurance firm FM , and financial services company Citadel .

Pricing for the Ritz-Carlton residence begins at $1.3 million , with duplex penthouse units ranging from $8.6 million to $15 million.

The

See Full Page