Siam Seafood
Seafood-focused Bangkok restaurant open daily from 7am to 1:30am in the Ratchathewi district.
Plan your visit
- Hours
- Daily 07:00–01:30
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.
Details
- Phone
- +66 96 429 5363
Full opening hours
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Taste more of Bangkok
Street-food tours, market visits and Thai cooking classes near Siam Seafood.
Why go, and how to do it well
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 flavors, making it a practical choice for travelers 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, since 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.
Written by Mac Kiley · Updated Oct 2026
Stay within reach of Siam Seafood
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Taste more of Bangkok
Street-food tours, market visits and Thai cooking classes near Siam Seafood.
Around here, on foot
Well-rated places within a short walk of Siam Seafood, nearest first. Minutes are at an easy pace in the heat.
- 1 minLeteva Thai MassageWellness & Spas · 40 m · 4.4★
- 2 minFishermen Hotpot & BBQRestaurants & Food · 120 m · 4.8★
- 3 minPlatinum Fashion MallMarkets & Shopping · 250 m · 4.4★
- 3 minPlatinum Fashion Mall Street FoodRestaurants & Food · 260 m · 4.2★
- 4 minPlatinum Fashion Mall Food CourtRestaurants & Food · 300 m · 4.4★
- 4 minPratunam Night MarketMarkets & Shopping · 340 m · 4.4★
Experience hints
Pair your visit. After Siam Seafood, round out your day in Bangkok with contrasting stops nearby.
703/17-18 Thanon Phetchaburi, Khwaeng Thanon Phaya Thai, Khet Ratchathewi, Krung Thep Maha Nakhon 10400, Thailand
Open in Google MapsMore restaurants & food nearby
All within a 4-minute walk of Siam Seafood.

Sabx2 Wanton Noodle

Fishermen Hotpot & BBQ

Platinum Fashion Mall Street Food

Platinum Fashion Mall Food Court
Tips for Visiting Restaurants & Food
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.
Use Grab for Delivery
The Grab app works for food delivery across Thailand, letting you order from street stalls and restaurants alike. It's invaluable on rainy days or when you want to eat in your hotel.
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).
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