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MainStay Suites Williamstown
★★★★ · Williamstown, Australia
MainStay Suites Williamstown in Williamstown scores 7.69/10 on HotelRoost, from a guest rating of 8.1/10 across 609 reviews (21 September 2026).
Rooms and what they cost
Where it is
-37.8624, 144.9054 · map © OpenFreeMap, data © OpenStreetMap contributors
How this score was reached
| Guest rating as published | 8.1 |
| Reviews behind it | 609 |
| Country mean | 8.448 |
| After evidence weighting | 8.126 |
| Country re-basing weight | 0.3 |
| Roost Score | 7.69 |
Before you go to Williamstown
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.