Blue Lagoon Cat Ba in Cat Ba scores 8.84/10 on HotelRoost, from a guest rating of 9.5/10 across 470 reviews (21 September 2026).
Rooms and what they cost
Where it is
20.7417, 107.0421 · map © OpenFreeMap, data © OpenStreetMap contributors
How this score was reached
| Guest rating as published | 9.5 |
| Reviews behind it | 470 |
| Country mean | 9.06 |
| After evidence weighting | 9.458 |
| Country re-basing weight | 0.3 |
| Roost Score | 8.84 |
Before you go to Cat Ba
Travel eSIMData the moment you land, without hunting for a SIM card.Airport transferFixed-price pickup, booked before you fly.Car hireCompare local and international suppliers in one place.
These three are paid partnerships — we earn a commission if you book through them. They have no effect on any hotel’s position in the index.