Hotel★★★
O Mary River Resort
Sihanoukville, Cambodia
About O Mary River Resort
O Mary River Resort is a hotel in Sihanoukville, Cambodia. It holds a 3-star rating. Guests rate it 7.2 out of 10 across 21 reviews. Facilities include bar, free parking. It is 6.9 km from the centre of Sihanoukville. The nearest beach is 270 m away. The nearest airport, Sihanouk International Airport (KOS), is 7.8 km away.
- Type
- Hotel
- Star rating
- ★★★
- Check-in from
- 14:00
- Check-out until
- 12:00
- Rooms
- 31
- Floors
- 2
- Opened
- 2023
- Other stays within 500 m
- 17
Hotel prices in Sihanoukville by month
18204 Marina Rd
Prices
Prices come from booking partners and can change. The final price is shown before you book.
Live prices around O Mary River Resort
Real nightly rates from booking partners for the dates you picked above. Tap a price for the offer.
O Mary River Resort: nightly price by month
- Cheapest month: November, about €21 a night on average
- Most expensive month: June, about €34 a night on average
- Lowest price we found: €21 for the night of 10 November
Pick a month to check today's price for its cheapest date.
Hotel prices in Sihanoukville by month
All months
| Month | Average | Lowest |
|---|---|---|
| November | €21 | €21 (10 November) |
| December | €21 | €21 (15 December) |
| January | €21 | €21 (12 January 2027) |
| February | €21 | €21 (9 February 2027) |
| March | €21 | €21 (9 March 2027) |
| April | €21 | €21 (13 April 2027) |
| May | €21 | €21 (11 May 2027) |
| June | €34 | €34 (15 June 2027) |
| July | €34 | €34 (13 July 2027) |
| August | €34 | €34 (10 August 2027) |
| September | €34 | €34 (14 September 2027) |
Averages of real one-night prices for two adults on Agoda, a Tuesday and a Saturday in each month, last checked 22 October 2026. In euros; the final price is shown before you book.
How O Mary River Resort scores
Better rated than 23% of hotels in Sihanoukville
- Guest rating 7.2
- Location 4.7
- Beach access 9.4
Sihanoukville average
Amenities
Food & drink
- Bar
- Room service
Internet
- Wi-Fi
Parking & transport
- Free parking
Services
- Car hire
- Concierge
- Laundry
- Luggage storage
In the rooms
- In-room safe
Based on the property listing at our booking partner.
Location
- Location score
- 4.7/10
- Walk grade
- 29/100 Car recommended
- Restaurants & cafés within 500 m
- 7
- Sights within 1 km
- 0
| Nearest beach | 270 m4 min walk |
|---|---|
| Nearest airportSihanouk International Airport (KOS) | 7.8 km18 min drive |
| Distance to the centreSihanoukville | 6.9 km16 min drive |
Weather in Sihanoukville
Lists this hotel is on
Compare O Mary River Resort with nearby hotels
Similar hotels within 3 km. Open a match-up to see where each one wins.
- Otres Beach Hotel Hotel ★★★★ 150 m away8.6
- Mary Beach Hotel and Resort Resort 180 m away8.0
- Chan Boutique Hotel ★★★★ 180 m away8.2
- Naiya Sea Resort Resort ★★★ 200 m away7.6
- Mittali Hotel Hotel ★★★ 210 m away6.2
- Billions Hotel Hotel ★★★★ 340 m away7.8
Questions about O Mary River Resort
How do guests rate O Mary River Resort?
O Mary River Resort has a guest rating of 7.2 out of 10 from 21 reviews, which is better than 23% of rated hotels in Sihanoukville.
When is O Mary River Resort cheapest?
In our price checks, the cheapest month is November, at about €21 a night on average. The most expensive is June, at about €34.
What are the check-in and check-out times at O Mary River Resort?
Check-in starts at 14:00 and check-out is until 12:00.
Is there parking at O Mary River Resort?
Yes, the listing mentions free parking.
How far is O Mary River Resort from the airport?
The nearest airport, Sihanouk International Airport (KOS), is 7.8 km away in a straight line.
Is O Mary River Resort close to the beach?
The nearest beach is 270 m from the hotel.
When did O Mary River Resort open?
O Mary River Resort opened in 2023.
How many rooms does O Mary River Resort have?
O Mary River Resort has 31 rooms on 2 floors.
Updated 6 Oct 2026. Data: Agoda, Overture Maps, OpenStreetMap, OurAirports and hotels' own websites. We may earn a commission from partner links; it never changes the comparison. How we score