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Atmospheric tropical mist over Rua Valley landscape, West Sumba
Rua Valley · West Sumba · Indonesia

Architecture in harmony with the valley.

15 private one-bedroom villas. One landscape. Integrated across 7,436 square metres of preserved Sumba landscape. Designed by Mahmoud Keldi.

Explore Villa Rights Interactive Masterplan
Territory & Climate

An ancient island shaped by wind and stone.

Rua Valley remains one of the most preserved landscapes in the Indonesian archipelago. Situated ten minutes inland from the secluded beaches of West Sumba, the estate is shielded by limestone ridges that channel fresh maritime breezes and temper the tropical heat.

55 minutes
Flight from Bali (DPS)
90 minutes
Tambolaka Airport (TMC)
10 minutes
Rua Beach Coastline
Raw West Sumba coastal bluff and ocean panorama
West Sumba Coastal Ridge
Verdant tropical valley contours
Valley Topography
"The valley contours defined every structural line. We built only where the landscape invited us to pause."
Mahmoud Keldi · Lead Architect
Masterplan Structure

15 villas.
One landscape.

Each villa is positioned along natural contour lines to preserve cross-ventilation corridors, visual privacy, and unimpeded valley vistas. Generous vegetation buffers and approximately ten metres of distance preserve silence between residences.

Availability updated 29 September 2026 · available · reserved · sold.
Availability is updated regularly and remains subject to contract. Marker color and shape indicate status; A, B and C badges indicate villa tier. BOH identifies back-of-house buildings.

LEMBA West Sumba Full Masterplan and Architectural Block Plan
North ↑ · Valley
BOH 01 BOH 02
Main access · Gate
Architectural Philosophy

Passive tropical intelligence.

Designed By
Mahmoud Keldi
KELDI Architectes · Paris & Bali
Low-slung minimalist villa integrated into natural topography
Sunlit four-poster canopy bedroom opening onto private pool terrace with authentic Sumba Ikat textiles
Climate-First Directives
Transverse Cross-Ventilation Villas align to prevailing trade winds, reducing active cooling demands.
Deep 2.4-Metre Roof Eaves Broad overhangs shield living spaces from intense solar heat while maintaining daylight.
Quarried Sumba Limestone High-density masonry walls offer natural thermal inertia and age gracefully.
Residential Offerings

Villa rights.

Valuation Benchmark
From IDR 2.48 Billion
≈ USD 140,000*
Tier A First Row Villa
Tier A · First Row 6 Villas · 3 Available

From IDR 2.84 Billion

≈ USD 160,000

Prime frontline orientation opening directly onto the natural rice terraces and panoramic valley horizon with uninterrupted natural ventilation.

Front Ricefield Vista 20.2 m² Private Pool Open Valley Horizon
Under Roof 50 m² (Bed + Bath)
Outdoor Area 38.3 m² (Deck + Walkway)
Private Pool 20.2 m² Pool
Tenure Long-Term Lease
Enquire Tier A Investment Summary
Tier B Mid Estate Villa
Tier B · Mid Estate 4 Villas · 3 Available

From IDR 2.66 Billion

≈ USD 150,000

Elevated mid-ridge villas overlooking the western valley tree canopy with open sunset horizons and cooling trade breezes.

20.2 m² Private Pool Canopy Vista 10m Green Buffer
Under Roof 50 m² (Bed + Bath)
Outdoor Area 38.3 m² (Deck + Walkway)
Private Pool 20.2 m² Pool
Tenure Long-Term Lease
Enquire Tier B Investment Summary
Tier C villas and private pools along a landscaped garden path
Tier C · Rear Estate 5 Villas · 5 Available

From IDR 2.48 Billion

≈ USD 140,000

Low-slung 1-bedroom private villas nestled in the rear valley landscape, framed by tropical greenery and quiet garden vistas.

20.2 m² Private Pool Open-Air Bathroom Garden Courtyard
Under Roof 50 m² (Bed + Bath)
Outdoor Area 38.3 m² (Deck + Walkway)
Private Pool 20.2 m² Pool
Tenure Long-Term Lease
Enquire Tier C Investment Summary
Statutory Currency Notice & Contractual Terms All contractual prices and payments are denominated in IDR. USD references are provided solely for international financial readability and are indicative only.
Request Investment Summary
Legal & Hospitality

Structured ownership.
Effortless stewardship.

Villa Lease & Exclusive Use

Long-term notarised Villa Lease & Exclusive Use Right applying to a specifically identified villa and designated private-use areas. Underlying land held under Master HGB — PT UMA SUMBA DEVELOPMENT. Each Villa Right is a contractual and notarised right, and is not an individual land title registered in the buyer's name at BPN.

Centralised Operations

On-site estate management, landscape upkeep, villa maintenance, and hospitality services handled seamlessly.

24/7 Estate Security — Human presence and CCTV monitoring across the estate.

Flexible Personal Use

Owners retain flexible personal use throughout the year, subject to previously confirmed guest bookings. Renting is optional; whenever a villa is offered for paid accommodation, reservations, pricing, collections and guest services are managed exclusively through LEMBA.

Structured Governance

Centralized estate management, transparent owner reporting, and shared common operating charges (1/15 per villa) across the 15 villas.

Project Leadership

The project team.

Architecture, territorial integration, local relations and commercial strategy are brought together within a multidisciplinary team combining international experience with on-the-ground knowledge of Indonesia.

Mahmoud Keldi, Lead Architect

Mahmoud Keldi

Lead Architect · Co-Developer

Founder of KELDI Architectes and architect-urbanist with over 20 years of international experience across Africa, Europe and Southeast Asia. Leads LEMBA’s architectural vision, masterplanning and development strategy, with a focus on climate-responsive design, low-density development and integration with landscape.

Maurizio Marrazzi, Land Acquisition & Compliance

Maurizio Marrazzi

Land Acquisition · Local Relations

Directs site identification, customary community relations, regulatory permitting, and governmental compliance in Eastern Indonesia.

Caryl Mickael, Commercial Strategy

Caryl Mickael

Commercial Strategy · Investor Relations

Oversees commercial structuring, client acquisition, international marketing, and hospitality partnerships for LEMBA.

LOCATION & ACCESS

Secluded peace.
Seamless connection.

Rua Beach 10 minutes drive
Bali (DPS) to Sumba (TMC) 55 minutes direct flight
Tambolaka Airport (TMC) to LEMBA 90 minutes scenic drive
Photograph of the West Sumba coastline
West Sumba Coastline
West Sumba · Indonesia
CONFIDENTIAL DOCUMENTATION

The LEMBA Investment Summary.

Detailed five-year projections and underlying assumptions are available to qualified prospects in the LEMBA Investment Summary.

Financial Model Illustrative Projections
Title Structure Underlying Land — Master HGB · PT UMA SUMBA DEVELOPMENT
Document Access Confidential (PDF)
Request Investment Summary Schedule Briefing
Architectural monograph presentation
September 2026 Edition
LEMBA Investment Summary
Direct Engagement

Request availability.

Receive confidential unit pricing, latest availability status, and direct architectural consultation with the project team.

WhatsApp (+62 811-3098-2021) contact@lembaresort.com

You can also contact our team directly via WhatsApp (+62 811-3098-2021).

Thank you. Your request has been received. The LEMBA team will contact you directly with the latest availability and relevant documentation.

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