Skip to main content
    La Fête du ChampagneUp to 18% off
    Pearl
    H2O Seafood Grill, Restaurant in Smithtown
    Restaurant200Points

    H2O Seafood Grill

    Smithtown

    Restaurant in Smithtown, United States

    The Read

    Dress

    Smart Casual

    Why go

    H2O Seafood Grill is worth booking when the group wants a seafood-led dinner in Smithtown without making the night feel overly formal. It is a stronger fit for evening plans and repeat local visits than for a high-ceremony special occasion; cross-shop Pace's Steak House for steakhouse formality or Osteria Umbra for Italian warmth.

    About H2O Seafood Grill

    H2O Seafood Grill is a Smithtown evening option with hours every day: Monday through Saturday from 4–10 PM and Sunday from 3–9 PM. The most reliable way to frame it is practical rather than speculative: use it when the schedule, location in Smithtown, and smart-casual dress code fit the plan.

    For menu format, private rooms, pricing, capacity, ownership, awards, or special services, confirm details directly before relying on them. Treat H2O Seafood Grill as a Smithtown evening dining choice, and confirm any menu, seating, or group needs directly before relying on them.

    Use it for an evening plan, not for extras

    The strongest case for H2O Seafood Grill is its clear evening schedule. It is open 4–10 PM Monday through Saturday and 3–9 PM on Sunday, which makes it easier to place in a weeknight or weekend evening plan. There is no lunch service listed, and larger parties should confirm arrangements before committing.

    For a special occasion, the recommendation is measured. H2O Seafood Grill may fit if the group wants a Smithtown evening plan with a smart-casual dress code and the timing works. If the occasion calls for another style of meal, other options to compare include Pace's Steak House, Osteria Umbra, Kurofune Japanese Restaurant, Basil Cafe Restaurant, and Sempre Vivolo.

    Where it fits in a repeat-visit rotation

    In a repeat-visit rotation, H2O Seafood Grill is best considered by its basics: Smithtown location, daily evening hours, and smart-casual dress. Kurofune Japanese Restaurant, Basil Cafe Restaurant, Pace's Steak House, Osteria Umbra, and Sempre Vivolo are reasonable names to compare when deciding which dinner setting best fits the night.

    The practical verdict: choose H2O Seafood Grill when you want a Smithtown evening plan and the posted hours work for your group. For any specifics beyond hours and dress code, confirm directly before you go. For a wider scan, use restaurant guides.

    The takeThis is a place for evenings when seafood is the point of the meal. Signature offerings such as the H2O Seafood Tower and Montauk-crusted fish establish the menu as suited to special dinners and shared occasions; the existing positioning also names date nights and group dining as natural fits. Because the program stresses freshness, consistency and a modestly restrained format, it also works for guests who want high-quality seafood without the ceremony of destination fine dining—think celebrations that favor substance over spectacle.
    Venue detailsWheelchair Accessible
    Know before you goBefore you book
    Also considerAlternatives
    Restaurant contextSmithtown, United States

    Planning details

    Location
    215 W Main St, Smithtown, NY 11787
    Website
    smithtown.h2oseafoodsushi.com
    Phone
    +16313616464
    Explore SmithtownNearby
    Around this placeMore Pearl picks
    The take

    The Take

    The Vibe

    H2O Seafood Grill reads as a coastal suburban seafood spot that leans into Long Island's proximity to productive waters. The writing emphasizes sourcing geography and a local seafood tradition, so the restaurant feels rooted rather than aspirational. It avoids white-tablecloth formality in favor of a more relaxed, ingredient-forward approach: attentive and quality-focused without unnecessary ceremony. That balance gives the place a scenic, classic coastal character—comfortable for regulars who prize fresh product and for diners seeking a reliably well-executed seafood meal close to home.

    Best For

    This is a place for evenings when seafood is the point of the meal. Signature offerings such as the H2O Seafood Tower and Montauk-crusted fish establish the menu as suited to special dinners and shared occasions; the existing positioning also names date nights and group dining as natural fits. Because the program stresses freshness, consistency and a modestly restrained format, it also works for guests who want high-quality seafood without the ceremony of destination fine dining—think celebrations that favor substance over spectacle.

    Ordering Tips

    Lean into the seafood-focused signatures. The H2O Seafood Tower is an obvious communal starter for groups or special-occasion tables, while the hazelnut-parmesan–crusted Montauk swordfish and everything-crusted Montauk tuna showcase the restaurant's take on locally sourced, boldly seasoned fish. Lighter starters and well-sourced shellfish will reflect the coastal sourcing argument that runs through the menu; expect preparations that highlight freshness and provenance rather than heavy embellishment.

    Venue details

    Ambiance

    Soft lighting, ocean tones, subtle wood and stone accents creating a warm, modern, upscale New England feel that is calm, confident, and coastal.

    Tags

    Vibe

    ElegantModernCozy

    Best For

    Date NightSpecial OccasionGroup Dining

    Experience

    Live MusicOpen Kitchen

    Sourcing

    Local SourcingSustainable Seafood

    Accessibility

    Wheelchair AccessibleStep Free EntranceAccessible Parking

    At the Table

    Dress Code
    Smart Casual
    Noise Level
    Conversational
    Service Style
    Upscale Casual
    Meal Pacing
    Leisurely
    Capacity
    Medium

    Signature Dishes

    • H2O Seafood Tower
    • hazelnut-parmesan crusted Montauk swordfish
    • everything crusted Montauk tuna
    • Korean wings
    Know before you go

    Know Before You Go

    Getting there
    215 W Main St, Smithtown, NY 11787
    Planning details

    Location

    215 W Main St, Smithtown, NY 11787 · Directions

    +16313616464

    smithtown.h2oseafoodsushi.com

    Also consider

    Where to go if this is not the right fit

    If the group wants a more formal special-occasion dinner, book Pace's Steak House instead. If the table wants Italian comfort and a broader non-seafood meal, Osteria Umbra is the cleaner backup.

    Restaurant context

    How it compares in Smithtown

    H2O Seafood Grill is the seafood-focused choice in this set, and its strongest advantage is flexibility for mixed groups. Choose it when the table wants fish or shellfish as the anchor without committing to steakhouse weight or Italian pacing. Osteria Umbra is the better pick for a richer Italian dinner, especially if pasta and wine are the center of the night.

    Pace's Steak House is the clearer special-occasion move if the group wants a more formal, higher-spend feel. Kurofune Japanese Restaurant is the smarter alternative when the seafood craving points toward sushi rather than grilled or composed seafood plates.

    For a lower-pressure neighborhood dinner, Basil Cafe Restaurant and Sempre Vivolo are useful cross-shops. H2O Seafood Grill is the easiest recommendation when seafood is the non-negotiable; otherwise, the Italian and steakhouse peers may deliver a clearer occasion fit.

    Explore Smithtown
    Around this place
    Read more on Pearl

    Discover more on Pearl

    Unlock the full H2O Seafood Grill guide in Pearl, including awards, comparisons, FAQs, planning details, and nearby places.

    Compare H2O Seafood Grill
    H2O Seafood Grill Smithtown and similar venues
    VenueLocationAwards
    H2O Seafood GrillSmithtownNo published awards
    Osteria UmbraSmithtownNo published awards
    Pace's Steak HouseHauppaugeNo published awards
    Basil Cafe RestaurantSt JamesNo published awards
    Sempre VivoloBrentwoodNo published awards
    Kurofune Japanese RestaurantCommackNo published awards

    How H2O Seafood Grill Smithtown compares with similar nearby venues.

    FAQ

    Frequently Asked Questions

    Can H2O Seafood Grill accommodate groups?

    H2O Seafood Grill is open for evening service daily, with hours from 4–10 PM Monday through Saturday and 3–9 PM on Sunday, but larger parties should confirm arrangements directly before planning around it.

    Is lunch or dinner better at H2O Seafood Grill?

    Dinner is the service window. H2O Seafood Grill is open 4–10 PM Monday through Saturday and 3–9 PM on Sunday.

    Is H2O Seafood Grill good for a special occasion?

    It can be considered for a Smithtown evening plan if the posted hours and smart-casual dress code fit the occasion. For another type of celebratory dinner, Pace's Steak House is one option to compare.

    Does H2O Seafood Grill handle dietary restrictions?

    If anyone in your party has a strict restriction, confirm directly with H2O Seafood Grill before you go.

    What should I order at H2O Seafood Grill?
    What are alternatives to H2O Seafood Grill?

    Other names to compare include Kurofune Japanese Restaurant, Pace's Steak House, Osteria Umbra, Sempre Vivolo, and Basil Cafe Restaurant. H2O Seafood Grill makes the most sense when its Smithtown location, evening hours, and smart-casual dress code fit your plans.

    What should I wear to H2O Seafood Grill?

    The dress code is smart casual. Dinner service runs Monday through Saturday from 4–10 PM and Sunday from 3–9 PM.