# OKU Kos, Marmari

Roost Score **8.79/10**, from a guest rating of 9.4
across 1,089 reviews. 19 September 2026.

| Component | Value |
|---|---|
| Guest rating as published | 9.4 |
| Reviews behind it | 1,089 |
| Country mean | 8.971 |
| After evidence weighting | 9.381 |
| Country re-basing weight | 0.3 |
| **Roost Score** | **8.79** |

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Source: HotelRoost — https://hotelroost.com/hotels/greece/marmari/oku-kos
Retrieved: 19 September 2026
Scoring method: /methodology