Overview
Watermark Chaophraya River is a world-class luxury condominium situated on one of the most beautiful curves of the Chao Phraya River. Completed in 2009 by Major Development, the project consists of two high-rise towers: the 52-storey Tower A and the 28-storey Tower B. Set on a massive 11-rai (approx. 4.4 acres) riverside site, more than half of the project area is dedicated to lush gardens and over 40 distinct facilities.
The project is famous for its "Sophisticated Aqua Living" concept, ensuring that every unit enjoys a 180-degree panoramic view of the river. In 2026, it remains one of the most sought-after riverside addresses in Bangkok, particularly for families and pet owners, as it is one of the few luxury buildings in the area that is openly pet-friendly. Its private shuttle boat service provides an elite link to the BTS Silom Line, making it a "resort-style" sanctuary that remains connected to the city's financial heart.
Developer
Major Development Public Company Limited is a premier Thai developer specializing in high-end, pet-friendly residences. Watermark Chaophraya was one of their most ambitious riverside projects. The building is managed with meticulous care, and its facilities—including the tennis and basketball courts—have aged exceptionally well. The utility fee is currently set at 40 THB/sqm.
Location & Transit
| Station | Line | Distance | Mode |
|---|---|---|---|
| BTS Saphan Taksin | Silom | 2.1km | Boat (5 min) |
| BTS Krung Thon Buri | Silom | 1.6km | Moto (5 min) |
| ICONSIAM | Retail | 1.5km | Boat/Moto (6 min) |
Commute Logistics:
- The Shuttle Advantage: The private shuttle boat is the lifeblood of the building, providing a scenic, traffic-free 5-minute ride to the Central Pier (BTS Saphan Taksin).
- Riverside Tranquility: Located between Soi Charoen Nakhon 39 and 41, the project is far enough from ICONSIAM to avoid the heaviest traffic but close enough for quick retail access.
- Pet Paradise: The 11-rai site offers a rare amount of open green space for residents to walk dogs, a luxury that is nearly extinct in newer, more compact riverside developments.
Nearby Landmarks
| Place | Distance | Type |
|---|---|---|
| ICONSIAM | 1.5km | The "Mother of All Malls" for luxury retail and dining |
| Asiatique | 780m | Riverside open-air mall, reachable via a short boat ride |
| Sena Fest | 1.3km | Community mall with a Villa Market and diverse restaurants |
| Shrewsbury Int. School | 2.0km | One of the most prestigious schools in Thailand, accessible by river |
Building Facts
| Developer | Major Development PCL |
| Completed | 2009 |
| Floors | 52 (Tower A) / 28 (Tower B) |
| Units | 486 |
| Ownership | Freehold |
Unit Types
| Type | Size | Notes |
|---|---|---|
| 2 Bedroom | 94 – 110 sqm | The Standard. Features river views and spacious balconies |
| 3 Bedroom | 142 – 285 sqm | Family Choice. Includes separate kitchens and service entrances |
| 4 Bedroom | 274 – 538 sqm | Sky Mansion. Wraparound glass windows for 270° views |
| Penthouse | 550+ sqm | Ultimate Luxury. Private pool and custom interior schemes |
Interior Note: The project originally offered four interior design schemes: Luxury, Contemporary, Oriental, and Modern. Units are known for their high ceilings and heavy-duty structural glass that effectively minimizes wind and river noise on high floors.
Facilities
The Triple Pool Deck: Includes a massive 100-meter swimming pool and two infinity-edge pools that create the sensation of swimming into the Chao Phraya River.
Sports Hub: A rare find in Bangkok high-rises, featuring two tennis courts, a basketball court, a squash court, and a jogging track winding through the 11-rai garden.
Pet Area: Dedicated zones for residents to walk their pets, supported by the building's pet-friendly management ethos.
Pros
- Pet-Friendly Elite — One of the best riverside options for dog and cat owners.
- Massive Land Site — 11-rai area prevents that "cramped" urban feeling.
- Absolute Riverside — Permanent, unblocked views across all units.
- Shuttle Boat Access — Elite transit link to the BTS network.
Cons
- Building Age — Completed in 2009; some units may benefit from interior renovation.
- Walkability — Not within comfortable walking distance to any BTS station; shuttle or taxi is mandatory.
- Higher Maintenance — Extensive facilities and 11-rai grounds require high upkeep budgets.
The Bottom Line
In 2026, Watermark Chaophraya River is the "Family-Pet Sanctuary" of the riverside. It is the perfect choice for expatriates and wealthy families who want massive square footage, professional-grade sports facilities, and a pet-friendly environment. If you prioritize space and "Aqua Living" views over being "BTS-adjacent," this remains one of the most solid and high-status investments on the Thonburi riverside.
Last verified: January 11, 2026. Data sourced from Major Development and physical site audit.