The Beach House by 604 - Deep Research Report

Overview

The Beach House by 604 is a beachside casual restaurant in Waianae on Oʻahu’s west side, positioned around Pokai Bay / the Waiʻanae Coast. It reads as a place travelers go for the setting as much as the food: ocean views, sunset drinks, live music, and a broad American-Pacific Rim menu. The current Google record and the restaurant’s own site both show it as open and operating at 85-010 Army St. (beachhouse604.com)

For a traveler, the main appeal is that this is not a fine-dining destination; it is a relaxed, view-forward stop where the environment and the “beach house” experience matter. That also means expectations should be calibrated toward a lively casual meal, drinks, and sunset timing rather than precision or culinary ambition. That reading is supported by both the restaurant’s menu and outside review summaries. (beachhouse604.com)

Cuisine & Specialties

The menu sits in a broad casual-island lane: burgers, sandwiches, pupus, fish plates, steaks, local-style plates, breakfast on weekends, and a full bar. The house style blends Hawaiian/local comfort food with familiar American bar and grill dishes, plus Pacific Rim touches like furikake, ahi, kalbi, loco moco, kalua pig, and miso butterfish. (beachhouse604.com)

Notable items that are clearly supported on the current menu include the Poke Nachos, Furikake Ahi, Ahi Katsu, 604 Burger, Grilled Ahi Club, Kalbi Plate, Garlic Chicken, Loco Moco, Macnut Mahimahi, Fish Tacos, Teriyaki Salmon, Fish & Chips, 604 Breakfast, and weekend omelettes. The drink list also leans into local beer buckets, pitchers, and signature cocktails such as the 6-0 Frose, 604Shine, and Buffalo Sunrise. (beachhouse604.com)

• Overall menu style: casual American-Pacific Rim with local Hawaiian comfort dishes, seafood, burgers, breakfast, and a full beer/cocktail program. (beachhouse604.com)
• Notable dishes / specialties: Poke Nachos, Furikake Ahi, Ahi Katsu, Macnut Mahimahi, Kalbi Plate, 604 Burger, Loco Moco, Fish & Chips, 604 Breakfast, and weekend omelettes. (beachhouse604.com)
• Drinks: local beer buckets and pitchers, plus house cocktails like 6-0 Frose, 604Shine, Buffalo Sunrise, and Casa Mimosa. (beachhouse604.com)
• Price range / spend expectations: Google lists it at price level 2, which fits a moderate casual spend rather than a luxury one; menu prices show many mains in the high teens to high 20s, with steaks and some seafood plates around the low 30s. (beachhouse604.com)
• Dietary usefulness / limitations: there are clear options for seafood eaters, meat eaters, and breakfast diners, but the menu is not especially veg-forward; many items are fried, sauced, or built around meat/seafood and dairy. (beachhouse604.com)

Notable Features & Ambiance

This is a setting-driven restaurant: the official site emphasizes Pokai Bay, ocean views, sunset dining, and live local music, and outside reviews consistently describe the experience as relaxed and scenic. The appeal is the combination of beachfront location, outdoor-feeling casual dining, and a social bar atmosphere rather than culinary exclusivity. (beachhouse604.com)

• Service model and seating style: casual dine-in with reservations, takeout, delivery, and an online waitlist mentioned on the site; review summaries also suggest it handles walk-in traffic and busy sunset periods. (beachhouse604.com)
• Atmosphere and decor: beach-view, sunset-oriented, lively, and music-friendly; the vibe is repeatedly described as relaxing and oceanfront. (beachhouse604.com)
• Amenities / practical features: the site highlights weekend brunch and a full bar; third-party sources also mention live music, happy hour food, and cocktails. (beachhouse604.com)
• Best fit: sunset drinks, a casual date, a post-beach meal, or a traveler who wants a scenic west-side stop with a broad menu. (beachhouse604.com)
• Weaker fit: travelers looking for quiet, highly refined service, or a destination where the food is the sole draw rather than the view and atmosphere. This is an inference from the repeated emphasis on scenery and mixed food commentary. (restaurantji.com)

History & Background

Publicly available background is limited, but the name and branding place this within the 604 Hospitality / Restaurant 604 family, and the site’s current copyright and links indicate it is an active part of that group. The broader story here seems to be a west-side beach restaurant built around the view and casual island dining concept more than around a chef-driven origin story. (beachhouse604.com)

Review Sentiment Snapshot

What People Love

The strongest recurring praise is for the setting: ocean views, sunset timing, breeze, and the ability to sit right by the water. Review summaries also repeatedly mention friendly staff, a lively vibe, and drinks that people enjoy more consistently than the food. Several sources also point to specific crowd-pleasers like fish and chips, mahi-mahi, burgers, and pupus. (restaurantji.com)

Common Gripes

Food quality is the main mixed point. The strongest complaints are not that the place is bad overall, but that dishes can be uneven or merely okay relative to the setting; one review summary mentions seafood pasta with too little seafood, and another source notes slow service and variable food quality. Parking also comes up as a recurring practical annoyance in third-party coverage. These downside signals are fairly well-supported, though they are not universal across all reviews. (restaurantji.com)

Practical Visitor Tips

• Hours posture: the restaurant’s site currently lists Monday–Thursday 11 AM–9 PM, Friday 11 AM–11 PM, Saturday 10 AM–11 PM, and Sunday 10 AM–9 PM; Google’s hours match closely except that Google shows Sunday until 11 PM, so Sunday closing time is worth double-checking before a late visit. (beachhouse604.com)
• Best time to go: sunset is clearly the prime window if you want the views and atmosphere; weekends also include brunch from 10 AM to 2 PM. (beachhouse604.com)
• Reservations / walk-ins: the site advertises reservations and an online waitlist, so busy sunset and weekend periods may need planning. (beachhouse604.com)
• Ordering tip: if you want the most supportable house specialties, prioritize the furikake/ahi/fish plates, poke-based starters, or one of the local-style plates rather than expecting a narrow signature tasting menu. (beachhouse604.com)
• Crowding / parking: parking may be limited, and multiple secondary sources suggest the location can be busy and the walk from parking can be part of the experience. This is a recurring caution rather than a hard operational fact from the restaurant itself. (restaurantji.com)

Verification Notes

• Official name, address, phone, and website align between Google and the restaurant’s site: The Beach House by 604, 85-010 Army St, Waianae, HI 96792, (808) 725-2589, beachhouse604.com. (beachhouse604.com)
• Business status appears operational in Google Places, with no closure signal found in current evidence. (beachhouse604.com)
• Hours show a small Sunday discrepancy between Google and the restaurant’s site; Sunday closing time should be treated as slightly fluid. (beachhouse604.com)
• No major identity mismatch found between the candidate record and current primary sources. (beachhouse604.com)

Sources

• Google Places record for The Beach House by 604 — https://maps.google.com/?cid=3305811727481976707 — retrieved 2026-04-02. Used as the baseline identity anchor for name, address, phone, hours, rating, price level, and operational status.
• Official contact page, The Beach House by 604 — https://beachhouse604.com/contact/ — retrieved 2026-04-02. Useful for current address, phone, email, and posted business hours.
• Official food menu, The Beach House by 604 — https://beachhouse604.com/food-menu/ — retrieved 2026-04-02. Main source for menu style, specific dishes, drink program, brunch, and price examples.
• Official menu item page: Ahi Katsu — https://beachhouse604.com/food-item/ahi-katsu-2/ — retrieved 2026-04-02. Useful for confirming one representative specialty item and preparation style.
• Official menu item page: Poke Nachos — https://beachhouse604.com/food-item/poke-nachos/ — retrieved 2026-04-02. Useful for confirming a specific appetizer and ingredient profile.
• Official menu item page: Furikake Ahi — https://beachhouse604.com/food-item/furikake-ahi/ — retrieved 2026-04-02. Useful for confirming one of the clearest signature seafood preparations.
• Restaurantji listing and review summary — https://www.restaurantji.com/hi/waianae/the-beach-house-by-604-/ — retrieved 2026-04-02. Most useful for recurring traveler-facing sentiment: views, vibe, friendly service, mixed food consistency, and parking complaints.
• AloAloTravel article — https://aloalotravel.com/en/the-beach-house-604/ — retrieved 2026-04-02. Useful as secondary evidence for scenic setting, casual menu framing, and parking/restroom notes; some claims are editorial inference rather than hard operational facts.
• MenuWeb PDF/menu mirror — https://wnam-cdn.menuweb.menu/storage/media/companies_menu_pdf/87337624/the-beach-house-by-604-waianae-waianae-menu.pdf — retrieved 2026-04-02. Useful for cross-checking menu categories and for additional downside commentary, though it is a secondary mirror and should be treated cautiously.