Some Bangkok pool parties burn bright for a season and vanish. Others build something that survives. After five years running every third Saturday, the Westin Pool Party at the Westin Grande Sukhumvit has done the latter — growing from just over 50 attendees at its first event to filling the pool area and turning people away at the door.
Here's why it keeps drawing crowds, what you'll actually pay, and how to approach it as a first-timer.
Quick take
- Schedule: every third Saturday of the month.
- Location: Westin Grande Sukhumvit, pool area.
- Crowd: Thais, expats, tourists, gym regulars, and a mix of ages.
- Entry: ฿400 gets you in the door, one drink, and the 1–2 pm open bar.
- Cheapest bottle: ฿2,500 (Belvedere, with six mixers).
The format
The party runs about eight hours from midday onward. The opening hour is the real hook — an open bar window from 1 pm to 2 pm gives early arrivals unlimited pours. By 6 pm, the pool area is shoulder-to-shoulder.
Music comes from local and international DJs. As the afternoon progresses, performers and dancers start appearing around the pool — the lineup has scaled up alongside the crowd. The mood is relaxed at 2 pm, builds through the late afternoon, and peaks at sundown.
What it costs
- Entry: ฿400 covers the door fee, one welcome drink, and the early open bar window.
- Bottles: Belvedere ฿2,500, Tanqueray Gin ฿2,700, JW Black Label ฿2,800 — each price includes six mixers.
- VIP Package 1 (฿4,500): 4 guests, one bottle of spirits, sparkling wine or two beer buckets (10 cans), six mixers with Red Bull, four entries.
- VIP Package 2 (฿6,500): 6 guests, one bottle of spirits, two bottles of sparkling wine or two beer buckets, six mixers, six entries.
- VIP Package 3 (฿9,500): 10 guests, two bottles of spirits, two sparkling wines or two beer buckets, 12 mixers, ten entries.
- VIP Package 4 (฿13,000): 12 guests in a sofa booth — one Absolut 1.7L, a second spirits bottle, four Jacob's Creek, 18 mixers, 12 entries.
- VIP Package 5 (฿25,000): 20 guests in a closed VIP zone — one Absolut Elyx 4.5L, 24 mixers, four Jacob's Creek, 20 entries.
Our analysis
The value math is hard to beat.** Most Bangkok pool parties charge ฿400 for entry alone. Here that same figure gets you entry plus a full hour of free drinks — that's a fundamentally different proposition for anyone on a budget.
Bottle prices undercut Sukhumvit and Thonglor clubs by a wide margin. A Belvedere at ฿2,500 with six mixers makes sense for a small group that wants flexibility without the club premium. For groups of six to ten, VIP Package 2 or 3 typically works out cheaper per head than buying bottles individually — and you get a reserved table, which matters when the floor is packed.
The five-year trajectory signals staying power.** Fifty people at a first event to consistent sell-outs is a genuine local-favourite marker — not a tourist pop-up chasing Instagram hype. That durability matters in a scene where most events have a two-year shelf life at best.
Trade-offs to consider.** The early open bar is a window, not a guarantee of premium pours. The crowd peaks late afternoon — if you prefer space over energy, arrive early and leave before 5 pm. VIP packages are priced per group, so solo visitors or pairs get less obvious value.
Try this: a first-timer plan
Arrive at 1 pm to maximize the free-pour window — it alone justifies the ticket price. Roll in with three friends, pool ฿4,500 on VIP Package 1, and you've covered a bottle, mixers, four entries, and a reserved table. Stay past 6 pm. The crowd transformation between 2 pm and 6 pm is the point.
What to watch next
Watch entry pricing. Once a Bangkok pool party becomes an Instagram staple, tickets tend to creep up. Buy ahead when slots open. Also watch for scheduling conflicts — the third-Saturday slot can overlap with major events during high season, and the venue won't expand for you.
Key takeaways
- Westin Pool Party is the value play in Bangkok's pool-party calendar: low entry, an early-hour free bar, bottles from ฿2,500.
- VIP Package 2 or 3 is the right size for most friend groups and beats paying per person.
- Five years of growth, from 50 attendees to capacity, is the local-favourite signal.
- Arrive at 1 pm for the open bar; stay past 6 pm for the crowd.
Frequently asked questions
When is Westin Pool Party?
Every third Saturday of the month at Westin Grande Sukhumvit.
How much is entry?
฿400 per person, including one welcome drink and a free-pour hour from 1 pm to 2 pm.
Where is it?
Westin Grande Sukhumvit, pool area.
How much are bottles?
Belvedere is ฿2,500, Tanqueray Gin is ฿2,700, and JW Black Label is ฿2,800 — every bottle comes with six mixers.
Is there a VIP option?
Yes — five VIP packages ranging from ฿4,500 (4 guests) to ฿25,000 (20 guests in a closed VIP zone).