Bronze Architecture, Building and Structure Design · 2026
Mio Path of Water Vacation House
by Ke Chen, Mengxi Xu and Jiahua Xu
- A' Design Award 2026 Bronze Winner in Architecture, Building and Structure Design
- Awarded April 15, 2026
- CLIENT: Not A Hotel
- Estimated Number of Design Views: 5,395
- Verification code 4139F4C35E · Verify this award
About Mio Path of Water Vacation House
Mio Path of Water is a vacation house designed for the rainy coastal climate of Yakushima, Japan. Guests arrive under a covered entrance and pass through a dry rain porch into a living and dining core that faces the ocean. Three bedroom suites branch off as quiet rooms, each with a private bathroom, so groups can share the house without losing privacy. A spa follows a simple loop of sauna, cold plunge, bath and cooling terrace. The structure combines steel with an exposed heavy timber roof, and charred cedar cladding protects the facade.
Ke Chen, Mengxi Xu and Jiahua Xu's design engages the enduring architectural challenge of mediating between human habitation and environments of exceptional natural beauty, proposing a formal language that neither mimics nature through literal representation nor imposes orthogonal geometry foreign to organic landscapes but instead develops a biomorphic vocabulary of interlocking cylindrical and curvilinear volumes that suggest microscopic cellular structures scaled to inhabitable dimensions, the compositional strategy recalls early twentieth-century organic modernism's conviction that architectural form could derive inspiration from natural morphology while maintaining its identity as human making, yet the precision of the geometric execution and the contemporary metal cladding system affiliate the work with current computational design methodologies that enable the translation of complex curved surfaces into buildable construction assemblies, the radial ribbing pattern that articulates each cylindrical volume serves multiple functions simultaneously operating as weatherproof cladding system, textural enrichment that catches and modulates light across curved surfaces throughout the day, visual rhythm that unifies disparate volumes into coherent formal family, and symbolic gesture toward natural patterns of growth and radiation found in tree rings, ripples on water, and countless other phenomena at scales from microscopic to cosmic, the decision to site the structure on a hillside commanding views toward distant water while nestled within forested surroundings demonstrates sophisticated understanding of prospect and refuge theory suggesting that humans find particular psychological satisfaction in environments offering simultaneously expansive views providing security through visual command and enclosed shelter providing protection, the architectural program reading as a vacation retreat or contemplative residence rather than primary dwelling amplifies themes of sanctuary, temporary withdrawal from quotidian routine, and the restorative potential of immersion in landscapes relatively unmarked by human intervention, the infinity pool extending from one cylindrical volume establishes visual and conceptual connection to the distant water body visible in the background creating symbolic continuity between the intimate scale of architectural intervention and the vast scale of geographic formation, while the curving access road visible in the composition acknowledges the necessary infrastructure enabling human access to remote sites yet treats this practical requirement as compositional element following rather than dominating topographic contours, the atmospheric conditions captured in the photograph with mist or sea-spray softening distant landforms while foreground elements remain crisp amplify the sense of a liminal environment where maritime and terrestrial ecologies meet and where human settlement remains modest in scale relative to encompassing natural systems, the warm interior lighting glowing through circular and curved openings as daylight fades evokes archetypal imagery of hearth and haven, shelter and illumination in wilderness settings that resonates across cultures and epochs, suggesting that despite its contemporary formal vocabulary and advanced construction technology the work addresses perennial human needs and desires, the building's footprint dispersed across multiple connected volumes rather than consolidated into a single mass reduces apparent scale and visual impact while creating opportunities for varied spatial experiences and differentiated relationships to site and view as one moves through the structure, and the choice to employ muted metallic cladding in cool gray-blue tones rather than brighter or warmer colors allows the architecture to recede visually during daylight hours reading almost as shadow or mist before asserting its presence through interior illumination as darkness approaches, demonstrating sensitivity to the changing perceptual conditions across diurnal cycles, ultimately the work invites consideration of how contemporary residential architecture might inhabit sensitive landscapes with minimal visual disruption while providing enriching spatial experiences for occupants, how biomorphic formal languages can create visual harmony between built and natural environments without resorting to literal imitation, and how architectural form might simultaneously shelter human activity and frame contemplative engagement with the natural world.
Press Kit
- Unique Properties
- The project is on Yakushima’s maritime edge, where mist, downpour, and slow runoff are daily facts, the house is organized from the rooms outward. Each suite is a calibrated “channel” of water-as-experience: the shared areas stay quiet and supportive. Only after these three acts are set does the living space frame its context: sea at distance, pool nearby—two waters held on one calm line. The primary structure material of the house is steel—precise, slender, and resilient—so the rooms read cleanly. Only the living space departs from that language: here an exposed heavy-timber roof lifts the volume and warms it. The result is a house that makes weather into ambience, routine, and memory.
- Dimensions & Packaging
- Height 9000 mm; Total floor area 298 sqm; construction area (incl. terraces) 586 sqm. Program: L/D, kitchen; 3 bedrooms each with 2× semi-double beds 1,200×1,950 mm + ensuite WC & shower. Spa: changing, sauna, cold plunge, bath, shower + adjacent cooling terrace. Pool depth 1,200 mm. Covered parking 2 bays. Outdoor equipment storage shed 70 sqm.
- Tags
- Yakushima, hospitality villa, wet-climate design, rain porch, sauna loop, indoor-outdoor living, charred cedar façade, ocean-view courtyard, modular arcade, minimalist timber architecture
- Production Technology
- Designed through iterative massing + view studies in Rhino/Grasshopper, then coordinated for constructability and lifecycle cost. Adaptive-reuse strategy uses hybrid structure system of steel and heavy timber to maximize constructability. Facade system: Shou Sugi Ban (Yakisugi) cedar cladding rainscreen + low-iron glazed wall with concealed frames; modular standing seam metal roof for tolerance control. CG/diagrams produced via real-time rendering + AI/PS post-compositing.
- Design Challenge
- The hardest challenge was reconciling Yakushima’s extreme rain, salt wind, and humidity with an open, resort-like lifestyle without turning the house into a sealed “box.” Internally, the concept had to respect local craft traditions while still feeling contemporary. Externally, strict competition limits (height, area, parking, pool/spa program) forced tight stacking and efficient circulation. Limited site-specific data pushed us to validate decisions through climate mapping, precedent benchmarking, and repeated plan/section tests until performance and experience aligned.
- Project Duration
- The project was a design package for initiated in September 2025 and completed in February 2026 as a hospitality villa proposal for Yakushima, Kagoshima Prefecture, Japan, and subsequently prepared for submission to the A’ Design Award.
- Operation Flow
- Guests arrive under the covered "porte-cochère" and enter a dry “rain porch” that transitions into the living/dining core facing the ocean. Bedrooms branch off like quiet nests, each with a private bath, so groups can share without stepping on each other’s rhythm. The spa is a simple loop: change - sauna - cold plunge - hot bath/shower - cool-down terrace, repeating as needed. Indoor and outdoor spaces slide into one another, letting the house work in sun, wind, and rain with minimal effort.
- Research
- Applied site-response study. Objective: Yakushima villa for rain/humidity, privacy, ocean views. Method: fast plan/section iterations + guest-flow loop tests. Data/tools: climate/topo maps, precedents; Rhino/Grasshopper, AI implemented representation, render checks. Participants: designer + peer critiques. Result: rain-porch entry, bedroom pods, sauna-plunge-bath loop. Insight/impact: fewer conflicts, higher comfort; reusable wet-climate layout template.
- Inspiration
- "Mio" is a shallow water channel in Japanese: not a scene, a guide. The project adopts that ethic—draw clear paths and let climate do the rest. What Mio proposes is to let private rooms carry climate as character—morning mist, sudden shower, still flow—while a single timbered hall reads the site without theatrics. The result is a house that makes weather into ambience, routine, and memory.
- Image Credits
- Image #1: Creator (Design Team Lead) Jiahua Xu, Yakushima Villa Concept (NOT A HOTEL 2026), 2026.
Image #2: Creator (Design Team Lead) Jiahua Xu, Yakushima Villa Concept (NOT A HOTEL 2026), 2026.
Image #3: Creator (Design Team) Ke Chen, Yakushima Villa Concept (NOT A HOTEL 2026), 2026.
Image #4: Creator (Design Team) Mengxi Xu, Yakushima Villa Concept (NOT A HOTEL 2026), 2026.
Image #5: Creator (Design Team) Mengxi Xu, Yakushima Villa Concept (NOT A HOTEL 2026), 2026. - Patents
- Copyrights belong to Ke Chen, Mengxi Xu, Jiahua Xu, 2026.
No patents filed.
No trademarks registered.