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Siam Seafood

Seafood-focused Bangkok restaurant open daily from 7am to 1:30am in the Ratchathewi district.

4.0(362)Ratchathewi BTS Station · 8 min walk
Directions

Plan your visit

Hours
Daily 07:00–01:30
Getting there
Ratchathewi BTS Station
8 min walk

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

Full 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

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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

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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.

Experience hints

703/17-18 Thanon Phetchaburi, Khwaeng Thanon Phaya Thai, Khet Ratchathewi, Krung Thep Maha Nakhon 10400, Thailand

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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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