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Restaurants & Food
Bangkok

Siam Seafood

4.0(362 reviews)

Situated on Thanon Phetchaburi in Bangkok's Ratchathewi district, this seafood restaurant draws a steady crowd of local diners and visitors looking for straightforward Thai coastal cooking in an unfussy setting. The focus on fresh seafood preparations keeps the menu grounded in familiar Bangkok flavours, making it a practical choice for travellers who want an authentic meal without venturing far from the city's central areas.

The Ratchathewi location puts it within reach of the BTS Phaya Thai station, which makes getting there relatively simple whether you're coming from the airport rail link or elsewhere on the Skytrain network. The surrounding area offers access to shopping and accommodation, so it fits naturally into a day of exploring this part of the city.

One of the more useful features here is the operating schedule: the restaurant opens at 7am and stays open until 1:30am every day of the week. This makes it a viable option at unusual hours, whether that means an early start or a late meal after a long evening out. Visitors planning to dine during standard meal times should expect it to be busier, so arriving in the mid-afternoon can mean a quieter experience. Current menu information and any updates are available through the restaurant's Facebook page, which is worth checking before visiting.

Taste more of Bangkok

Street-food tours, market visits, and Thai cooking classes near Siam Seafood — a guided way to eat like a local.

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Experience hints

Pair your visit. After Siam Seafood, round out your day in Bangkok with contrasting stops nearby.

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Siam Seafood: Frequently Asked Questions

Is Siam Seafood worth visiting?

Siam Seafood holds a 4.0★ rating from 362 Google reviews — a strong rating for restaurants & food in Bangkok.

What are the opening hours of Siam Seafood?

Siam Seafood is typically open 07:00-01:30 — see the full day-by-day schedule in the location info on this page. Hours can change on Thai public holidays, so check ahead for holiday visits.

When is the best time to visit Siam Seafood?

The best months to visit Bangkok are November – February, with the most reliable weather. Crowds peak in December & January — going early in the day usually means fewer people. Months to think twice about: April – May (peak heat).

Where is Siam Seafood located?

Siam Seafood is at 703/17-18 Thanon Phetchaburi, Khwaeng Thanon Phaya Thai, Khet Ratchathewi, Krung Thep Maha Nakhon 10400, Thailand, in Bangkok. Getting around Bangkok: BTS Skytrain (most central areas); MRT Metro (underground).

Location Info

703/17-18 Thanon Phetchaburi, Khwaeng Thanon Phaya Thai, Khet Ratchathewi, Krung Thep Maha Nakhon 10400, Thailand+66 96 429 5363www.facebook.com/siam.seafoodth
Opening Hours
Monday07:00–01:30
Tuesday07:00–01:30
Wednesday07:00–01:30
Thursday07:00–01:30
Friday07:00–01:30
Saturday07:00–01:30
Sunday07:00–01:30

Visitor Information

Best time to visit

November – February

Avoid: April – May (peak heat)

Rainy season

May – October

Avg. temperature

25°C – 34°C(77°F – 93°F)

Crowds

Very High

Peak: December & January

Getting there

Suvarnabhumi (BKK) and Don Mueang (DMK) airports serve Bangkok with direct flights from most major cities.

Getting around

  • BTS Skytrain (most central areas)
  • MRT Metro (underground)
  • Airport Rail Link (ARL)
  • Chao Phraya Express Boat
  • Grab (ride-hailing app)
  • Metered taxis — always use the meter

Where to stay near Siam Seafood

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Tips for Visiting Restaurants & Food

Learn the Spice Scale

Say 'mai pet' for no spice, 'pet nit noi' for a little spice, or 'pet mak' if you want it Thai-hot. Most cooks will default to a toned-down version for foreigners unless you specify otherwise.

Follow the Crowds

The busiest street stalls are almost always the best — high turnover means fresh ingredients and a recipe that locals vouch for. An empty restaurant at dinner time is a red flag.

Ice Is Safe

Factory-made tube or cylinder ice (used in virtually all restaurants and stalls) is made from purified water and is safe to consume. You don't need to skip the iced Thai tea.

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