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Warm-toned timber cladding envelops the ceiling plane in horizontal striations, establishing an enveloping organic canopy that contrasts with the cooler tonal registers below, while a constellation of
Shinjiro Heshiki's Ryukyu Sanctuary Restaurant orchestrates a contemplative interior environment where warm terrestrial tones engage in sophisticated dialogue with ethereal cerulean luminescence suspe
Shinjiro Heshiki's Ryukyu Sanctuary Restaurant presents an elongated communal dining table executed in pale ash or oak with a soft matte finish, the wood grain visible in subtle linear striations that
Warm amber light suffuses this carefully orchestrated restaurant interior, where the compositional architecture reveals a sophisticated interplay between horizontal progression and vertical punctuatio
Shinjiro Heshiki's Ryukyu Sanctuary Restaurant manifests through a nocturnal architectural composition photographed in low-angle perspective that emphasizes the structure's commanding street presence

Shabu Shabu Ryukyu

Iron Interior Space and Exhibition Design · 2026

Ryukyu Sanctuary Restaurant

by Shinjiro Heshiki

  • A' Design Award 2026 Iron Winner in Interior Space and Exhibition Design
  • Awarded April 15, 2026
  • CLIENT: Shabu Shabu Ryukyu
  • Estimated Number of Design Views: 5,017
  • Verification code E8D9CF4256 · Verify this award
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About Ryukyu Sanctuary Restaurant

Ryukyu Sanctuary is a restaurant interior located on Kokusai-dori Avenue in Naha, Okinawa. The facade is shaped like a coral shell, formed from custom-curved steel bars hand-painted in coral blue and emerald tones. Passing through the entrance, guests move from the busy street into a calm dining room. Hand-plastered walls recreate the texture of coral formations. A stained glass partition of 4700 by 1700 millimetres carries motifs of the sea and land of Okinawa. Ryukyu glass and indirect lighting complete the space.

Shinjiro Heshiki's Ryukyu Sanctuary Restaurant represents a thoughtful synthesis of contemporary hospitality design and cultural memory, where the spatial environment evokes oceanic and maritime heritage through its distinctive blue disc pendant luminaires suspended like bioluminescent organisms or ceremonial vessels across the dining volume, these translucent cobalt elements introducing a memorable chromatic and formal signature that distinguishes the space while establishing connection to island and coastal traditions. The compositional achievement rests significantly in the designer's orchestration of material warmth and tonal coolness, balancing the enveloping timber ceiling with its horizontal grain patterns and honey-toned natural finish against the cool radiance of the blue lighting elements, this thermal contrast creating visual vibrancy and dimensional modeling that prevents the neutral palette from reading as austere while maintaining sophistication and restraint. The spatial layering demonstrates considerable skill, with the transparent sage-green partition system mediating between dining zones while preserving visual openness, allowing glimpses of sculptural forms and additional seating areas beyond that suggest narrative continuity and spatial discovery, the vertical mullions establishing rhythmic division that organizes the visual field without imposing rigidity. The furniture selection and arrangement reveal sensitivity to both function and formal expression, the blonde wood tables with natural edges celebrating material character and craft values while their substantial proportions and grain visibility ground the ethereal quality of the overhead lighting in tactile reality, the slender dark chairs providing necessary visual contrast and structural clarity without visual heaviness, and the channeled banquette offering generous communal seating while its textured base introduces welcome surface variation and haptic interest. The lighting strategy proves particularly accomplished, combining recessed ambient sources that illuminate the timber ceiling and establish overall luminosity, the blue pendant elements that function as both functional task lighting and sculptural focal points, and concealed background illumination that creates atmospheric depth, this multi-layered approach allowing modulation of mood and emphasis while ensuring functional adequacy for dining activities. The designer's restraint in chromatic deployment allows the blue elements to achieve maximum impact, their saturated hue reading as intentional accent rather than arbitrary decoration, while the sage-green partition framework bridges warm and cool registers and introduces botanical or natural reference that complements the wood materiality. The space suggests engagement with organic modernist traditions that prioritize natural materials, honest structural expression, and human-scaled environments, while the distinctive lighting installation and cultural allusions position the work within contemporary design discourse around place-making, heritage interpretation, and experiential narrative. One might observe how the suspended blue discs at varying heights create not merely decorative interest but spatial volumetric definition, their irregular yet harmonious distribution suggesting natural phenomena or organic growth patterns rather than mechanical regularity, inviting contemplation of how cultural memory and natural forms might inform contemporary gathering spaces, and how material warmth and chromatic coolness can coexist to create environments that feel simultaneously rooted and ethereal, familiar and distinctive, intimate and generous.

Press Kit

Unique Properties
Located on Okinawa's busy Kokusai-dori, the facade's coral shell evokes a reef in emerald green seas, acting as a portal. In Okinawa, coral symbolizes protection and life. This design bridges tradition with modern art via hand-crafted plaster that recreates the tactile texture of reefs. Inside, city noise fades into a serene, underwater dimension. The sanctuary mirrors the mythical Dragon Palace, a space where local heritage, craftsmanship, and hospitality coexist in harmony.
Dimensions & Packaging
Stained-glass: 4700 mm x 1700 mm. Floor area: 154 sqm. Ceiling height: 2800 mm. Structure: Reinforced Concrete. Finishes: Hand-plastered art walls, steel flat-bar art painting, custom Ryukyu glass installations.
Tags
Okinawa Design, Ryukyu Glass, Coral Reef Architecture, Undersea Atmosphere, Ryugu-jo Concept, Handcrafted Plaster Art, Japanese Restaurant, Light and Shadow, Cultural Identity, Authentic Ryukyu Modern
Production Technology
The facade features custom-curved steel bars hand-painted in coral-blue and emerald tones to mimic reef rhythms. Interior walls use hand-plastered textures to recreate the tactile depth of coral formations. A 4700mm x 1700mm glass partition combines stained-glass artistry with traditional motifs. By integrating Ryukyu glass with indirect lighting, the design achieves a balance of materiality and ethereal light, blending local craftsmanship with contemporary spatial art.
Design Challenge
Strict fire codes required smoke exhaust windows on the facade, while local laws prohibited external signage. These constraints were overcome by using the cubic curvature of custom steel bars to mask functional elements, creating a facade that acts as its own landmark. By integrating a banyan tree motif into the play of shadows, the building achieves a distinctive identity that prioritizes artistic expression over conventional commercial branding, harmonizing necessity with creativity.
Project Duration
Design planning for the project began in February 2024 in Naha, Okinawa, with construction completed in July 2024.
Operation Flow
The journey begins on vibrant Kokusai-dori Avenue. Passing through the coral shell facade, guests experience a dramatic sensory shift as urban noise is replaced by serene silence. This threshold acts as a portal to another dimension. Inside, the play of light through Ryukyu glass and tactile reef-like walls create an immersive underwater world. This transition from the chaotic city to a tranquil sanctuary allows diners to lose track of time, fully entering the mythical atmosphere of the Dragon Palace.
Research
This project explores the link between Okinawa and the sea, using coral as a vital cultural symbol. Research focused on translating coral's protective qualities into a spatial experience. By using local craft and Ryukyu glass, the design reinterprets natural elements for a modern context. Despite strict fire and signage codes, the project transformed legal constraints into a landmark facade that honors marine heritage and Okinawa's poetic spirit.
Inspiration
Inspired by Ryugu-jo, the mythical undersea palace. This project embodies "Authentic Ryukyu Modern" by blending Okinawan heritage with contemporary luxury. It seeks to recreate the serene beauty of coral reefs submerged in emerald green waters, redefining traditional motifs into a timeless spatial experience that honors the island's natural and cultural roots.
Image Credits
Photographer: Masahiro Ishibashi
Patents
Copyrights belong to Conception Co., Ltd., 2025.

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