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Hilton St. Louis Frontenac
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Meetings and events
We have 17 meeting rooms and a business center as well as our Ambassadeur Ballroom which can accommodate up to 1,000 guests. Our dedicated event staff will assist with every detail to ensure your event is a success.
- Total event space29,373sq. ft.
- Largest room setup10,032sq. ft.
- Meeting rooms13
- Guest rooms263
Reserve hotel rooms
Instantly reserve between 10-25 hotel rooms for your group. Your guests can pay for their rooms later.
Host an event
Submit your event details to find out what we can offer.
Create an attendee website
Build a free custom page and share the link with your guests so they can book their rooms.
Weddings
Our wedding venues include pillarless ballrooms with chandeliers and elegant suites with floor-to-ceiling windows. We can help tailor everything including your decor, catering, and cocktail list.
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Capacity chart
Chart displays number of guests per room layout.
| Event Room Name | Banquet | Conference | Square | Reception | School Room | Theatre | U-Shape |
|---|---|---|---|---|---|---|---|
| Ambassadeur BallroomSquare Feet: 10,032 | 700 | - | - | 1000 | 600 | 1000 | - |
| Clayton BallroomSquare Feet: 6,688 | 350 | - | - | 600 | 250 | 600 | - |
| Ambassdeur II-IV-VISquare Feet: 5,016 | 250 | - | - | 300 | 200 | - | - |
| Ambassadeur I-III-VSquare Feet: 4,484 | 250 | - | - | 300 | 200 | 450 | - |
| Clayton ACSquare Feet: 3,572 | 175 | - | 70 | 300 | 125 | 300 | 60 |
| Clayton BDSquare Feet: 3,344 | 175 | 70 | 70 | 300 | 125 | 300 | 60 |
| Ambassadeur II-IVSquare Feet: 3,168 | 200 | - | - | 200 | 135 | 250 | - |
| Ambassadeur I-IIISquare Feet: 2,832 | 200 | - | - | 200 | 135 | 250 | - |
| Ambassadeur VISquare Feet: 1,848 | 90 | 40 | - | 200 | 75 | 175 | 40 |
| Clayton CSquare Feet: 1,786 | 190 | 50 | 50 | 150 | 60 | 150 | 40 |
| FrontenacSquare Feet: 1,716 | 90 | 40 | - | 100 | 70 | 190 | - |
| Clayton BSquare Feet: 1,672 | 100 | 40 | - | 125 | 50 | 150 | 30 |
| Clayton DSquare Feet: 1,672 | 100 | 40 | - | 150 | 60 | 100 | 30 |
| Ambassadeur ISquare Feet: 1,652 | 90 | 40 | - | 200 | 75 | 175 | 40 |
| Ambassadeur VSquare Feet: 1,652 | 90 | 40 | - | 200 | 75 | 175 | 40 |
| Clayton ASquare Feet: 1,558 | 100 | 40 | - | 125 | 50 | 150 | 30 |
| Le CafeSquare Feet: 1,521 | 70 | 25 | - | 120 | 50 | 150 | 25 |
| Ambassadeur IVSquare Feet: 1,320 | 70 | 40 | - | 200 | 60 | 125 | 40 |
| Ambassadeur IISquare Feet: 1,180 | 90 | 40 | - | 200 | 75 | 175 | 40 |
| Ambassadeur IIISquare Feet: 1,180 | 70 | 40 | - | 200 | 60 | 125 | 40 |
| PommardSquare Feet: 868 | 50 | 25 | - | 40 | 40 | 75 | 25 |
| AnatoleSquare Feet: 840 | 50 | 25 | - | 40 | 40 | 75 | 25 |
| MontmarteSquare Feet: 726 | 50 | 25 | - | 25 | 40 | 60 | 15 |
| Presidential ParlorSquare Feet: 600 | - | 10 | - | - | - | - | - |
| Suite 1500Square Feet: 375 | - | 8 | - | - | - | - | - |
| VersaillesSquare Feet: 207 | - | 6 | - | - | - | - | - |
| Clayton AtriumSquare Feet: 4,000 | - | - | - | 250 | - | - | - |
| Ambassadeur Pre-functionSquare Feet: 960 | - | - | - | 200 | - | - | - |
| DauphineSquare Feet: 840 | - | - | - | - | 40 | - | - |