The David Lloyd Health & Fitness Riverview complex will have some new residents next week as Leinster move their administrative operations into the Clonskeagh facility.
The Riverview complex already includes a state of the art private gymnasium for Leinster players, which will be tripled in size, and will house the province's offices, as well as meeting rooms and a private entrance for Leinster staff.
The Leinster senior team will continue to use the training facilities at Old Belvedere RFC as well as the newly re-laid back pitch in Donnybrook.
Leinster chief executive Mick Dawson said of the announcement: "I am delighted to announce that Riverview will become the new administrative home for Leinster. This is another step aimed at preparing the squad in the best possible way in a professional environment.
"I would also like to thank the executive, office staff, groundstaff and members of Old Belvedere for their wonderful assistance in facilitating Leinster's administrative needs in recent years."
Paul Taylor, director of David Lloyd Riverview, added: "This is a very exciting time for both organisations and I look forward to continuing our ongoing partnership with Leinster Rugby well into the future."