# Hotel Ultramar, Valparaíso

Roost Score **8.53/10**, from a guest rating of 9.1
across 438 reviews. 21 September 2026.

| Component | Value |
|---|---|
| Guest rating as published | 9.1 |
| Reviews behind it | 438 |
| Country mean | 8.771 |
| After evidence weighting | 9.066 |
| Country re-basing weight | 0.3 |
| **Roost Score** | **8.53** |

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Source: HotelRoost — https://hotelroost.com/hotels/chile/valparaiso/hotel-ultramar
Retrieved: 21 September 2026
Scoring method: /methodology