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H2O Seafood & Sushi

215 W Main St, Smithtown, NY 11787-2606
+1 631-361-6464
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  • Excellent45%
  • Very good32%
  • Average12%
  • Poor4%
  • Terrible7%
Travellers talk about
“popovers” (8 reviews)
“seafood” (24 reviews)
“swordfish” (11 reviews)
Closed Now
All hours
American, Seafood, Sushi, Gluten Free Options
215 W Main St, Smithtown, NY 11787-2606
All Details
Write a ReviewReviews (188)
Traveller rating
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1 - 10 of 186 reviews

Reviewed 5 days ago

We are avid fresh fish lovers & frequent H2O. Most recently, we celebrated Valentine's Day @H2O...where we were presented with a special Valentine's Day limited menu. My wife ordered the sesame encrusted Tuna, which was a 1" thick cut of Sushi Grade Tuna...lightly seared was...More

Thank W8767UAroberth
Reviewed 5 January 2018

My now fiance' surprised me a few days ago by taking me to H2O for a special dinner. Our wait staff was amazing, friendly, helpful. We were given some of the most amazing popovers with honey butter that I've ever tasted! My guy order the...More

Thank Tina O
Reviewed 29 December 2017 via mobile

I had the pleasure of dining at H2O a few nights ago. To my surprise a very affordable special was available. It seems that on Wednesday evenings a three course meal is available for $30. If you choose the wine pairing it’s an extra $10....More

Thank Sunsetchaser21
Reviewed 23 November 2017 via mobile

The food was great. The Mac and lobster was to die for. Everyone bring was wonderful. The decorations were a little more rustic than what we thought they would be. Worth going to.

Thank egurenl213
A TripAdvisor Member
Reviewed 15 November 2017 via mobile

Great service, perfect atmosphere, great menu. The sushi was really perfect. Very fresh seafood. The oysters should not be missed either. Too marks all around.

Thank A TripAdvisor Member
Reviewed 15 November 2017 via mobile

To start off, the sword fish dish is to die for, along side with familiar faces and an inviting ambiance; this restaurant has it all. If possible dine outside by their warm and inviting fireplace. If not the inside is nicely decorated. Feng shui friendly...More

Thank Lauren G
Reviewed 13 November 2017 via mobile

We visited on a Saturday night during restaurant week. We have been to this establishment a number of years ago. They have added a lovely fire pit area out front which looked cozy. The bar has been renovated and seems much larger and brighter. Although...More

Thank Marianne A
Reviewed 20 October 2017

We started off with a Red and White Sushi roll. It was very good. We picked that roll because it was one of the least expensive. They had some rolls that were twice as much. We couldn't decide between 2 dinners, so the waitress had...More

Thank Deb S
Reviewed 11 October 2017

The menu is expensive. The sushi rolls are big & enough for 2 as an appetizer. Nice bar & a good place for drinks & appetizers.

Thank jflo812
Reviewed 24 September 2017 via mobile

Had the stuffed flounder. Very salty was very dry. Three of us had this out of four people and we all could not eat it. Told waiter it was too salty . Said he would tell chef but nobody came over to acknowledge or address...More

Thank Linda D
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Restaurant Details

Rating summary
  • Food
  • Value
Average prices
US$31 - US$50
Dinner, After-hours
Restaurant features
Reservations, Outdoor Seating, Seating, Waitstaff, Parking Available, Valet Parking, Television, Wheelchair Accessible, Serves Alcohol, Full Bar
Dining Style
Casual Dining
Good for
Bar Scene, Child-friendly, Business meetings, Romantic, Special Occasion Dining, Groups
Open Hours
3:00 PM - 9:00 PM
5:00 PM - 10:00 PM
5:00 PM - 10:00 PM
5:00 PM - 10:00 PM
5:00 PM - 10:00 PM
5:00 PM - 11:00 PM
5:00 PM - 11:00 PM
Location and Contact Information
  • Address: 215 W Main St, Smithtown, NY 11787-2606
    (Edgewood Avenue)
  • Public Transportation: LIRR to Smithtown
  • Location: United States  >  New York (NY)  >  Long Island  >  Smithtown
  • Phone Number: +1 631-361-6464
H2O Seafood & Sushi in Smithtown showcases seasonal seafood, served with passion, conceived with creativity. The sea dictates what’s on the menu at H20, as, whenever possible, our Chef sources local fish and supports local farmers through creative takes in the kitchen. Grab a seat at the gray marble bar while tasting fresh sushi or our modern American seafood classics. The sprawling menu features treats from the ocean; fresh Bluefin Tuna, Scottish Salmon and also satisfies land lovers with dishes like our flat iron steak or our pan roasted chicken. Shareable desserts like the donuts with coffee pot du crème make indulging almost impossible to avoid. Cleverly designed with an upscale New England feel, you’ll feel like home in this warm and inviting space. Weekly specials provide opportunities to taste the eclectic menu; like our Wednesday Night Wine Dinners showcase curated pairings of wine carefully selected to enhance each course.
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