T-Zero Lounge

Located in the lobby of St Julien Hotel & Spa, the T-Zero Lounge offers a modern, yet contemporary rendezvous for hand-crafted signature martinis, cocktails and one of the best wine programs in Boulder. Many of our drinks are made with local Colorado liquor and are complemented with an entertainment program featuring live music. T-Zero's stylish and secluded Round Room is the perfect place to host an intimate group event.


3 p.m. to Close


Happy Hour

4 to 6 p.m.


Live Entertainment

6:30 to 9:30 p.m.

Tuesday - Saturday (Summer)

6:30 to 9:30 p.m.

Wednesday - Saturday (Winter)

Join us at T-Zero for:

Kentucky Derby Day

May 5th | 2:00 PM - 5:00 PM on the
St Julien Terrace and Great Room

Free Admission
The Good Manners Quartet (Junk Yard Jazz). Featuring Woodford Reserve mint juleps, Sonoma Cutrer & Veuve Clicquot drinks specials.
Dress to impress!
Complementary photography derby hat competition. Various prizes.
Partnering with Medicine Horse Program

Private Events

T-Zero lounge features the hotel’s signature Round Room, a round room that can host private parties of up to 25 in Boulder’s most intimate setting.  To learn more, contact Bryan Amaro at (303) 494-5372 or by email at bamaro@stjulien.com.