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Royal SIAM Thai Restaurant

) #52 of 191 Restaurants in Hilo $$ - $$$ Asian, Thai
70 Mamo St, Hilo, Island of Hawaii, HI 96720-2954
+1 808-238-5068
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  • Excellent43%
  • Very good43%
  • Average2%
  • Poor7%
  • Terrible2%
Travellers talk about
“thai food” (7 reviews)
“shrimp satay” (2 reviews)
“yellow curry” (2 reviews)
Open Now
All hours
Asian, Thai
$$ - $$$
70 Mamo St, Hilo, Island of Hawaii, HI 96720-2954
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Reviews (39)
Traveller rating
Traveller type
Time of year

1 - 10 of 39 reviews

Reviewed 1 week ago via mobile

Went to this restaurant because on there menu they offer a spring roll closer to what I wanted than anyone else it town (crispy veggie spring rolls wrapped in lettuce and mint served with a dipping sauce of fresh cut Thai peppers and crushed peanuts)...More

Thank Bryankl1
Reviewed 11 April 2017

This restaurant is very close to the Farmer's Market. They are a small family run operation, but their food is fresh and tasty. We like their green and yellow curry which is not too hot if you ask for mild. You can choose to have...More

Thank Flyly
Reviewed 10 March 2017 via mobile

Just as good as it was two years ago. Very basic place with very good food at very reasonable prices, especially daily specials.

Thank Paul B
Reviewed 28 January 2017

Got the green curry. Since when is rice an additional option with curries? The dish had more chicken than usual but the curry was the thinnest I've ever had. Place is a bit more tattered than the pictures show.

Thank Bill H
Reviewed 11 January 2017 via mobile

This restaurant changed their name to Hilo Siam about 3 years ago. Delicious food. Have been going there for years. Only reason I gave them a 4 is because some of the booth seats need to be reupolstered. Location is conveniently adjacent to the Hilo...More

Thank Kulalou
Reviewed 29 December 2016

We were hoping to eat some good Thai food. We were really disappointed. We ordered soup, spring rolls, pad thai, fish curry, and chicken cashew stir fry. It was horrible and inedible. Not the cleanest place either.

Thank Beth K
Reviewed 19 December 2016

If you're staying in Hilo and enjoy Thai food this is the place for you. Great flavours and at a great price,

Thank seagull38
Reviewed 10 November 2016 via mobile

Not pretty, not polished servers--but absolutely the BEST Thai food anywhere. The green curry is beyond incredible. The red curry is amazing. You cannot go wrong with any menu item. The prices are reasonable. If you're going for the ambiance, go somewhere else. If you're...More

Thank meg588
Reviewed 24 October 2016

We were trying to go to nearby "Pineapples" but it was ridiculously packed with haoles, like they came off the cruise ship. We decided to walk in this strangely empty Thai place but it was near where we had parked our car. I am glad...More

Thank marlenaramey
Reviewed 3 June 2016

There was no one in when we walked in early evening so wasn't too sure about the place. Wide choice on the menu and I had delicious tempura chicken for my main with rice and spring rolls on the side. Big portions, reasonable prices and...More

Thank Susie M
Nearby Restaurants
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1,110 reviews
.06 km away
Cafe Pesto Hilo Bay
1,418 reviews
.10 km away
Naung Mai Thai Kitchen
144 reviews
.10 km away
Moonstruck Patisserie
127 reviews
.11 km away
Nearby Attractions
Hilo Farmers Market
616 reviews
.07 km away
Pacific Tsunami Museum
415 reviews
.34 km away
One Gallery
21 reviews
.09 km away
Sugar Coast Candy
19 reviews
.13 km away
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Restaurant Details

Rating summary
  • Food
  • Value
Lunch, Dinner
Restaurant features
Takeout, Seating, Waitstaff, Wheelchair Accessible
Good for
Open Hours
17:00 - 20:00
11:00 - 20:30
11:00 - 20:30
11:00 - 20:30
11:00 - 20:30
11:00 - 20:30
11:00 - 20:30
Location and Contact Information
  • Address: 70 Mamo St, Hilo, Island of Hawaii, HI 96720-2954
  • Location: United States  >  Hawaii (HI)  >  Island of Hawaii  >  Hilo
  • Phone Number: +1 808-238-5068
  • E-mail