Giga-Projects: Saudi Arabia's Mega-Developments Reshaping the Kingdom

Definition

Giga-projects are Saudi Arabia’s large-scale development initiatives — each valued at billions or tens of billions of dollars — designed to create entirely new economic sectors, transform urban landscapes, and position the Kingdom as a global destination for tourism, entertainment, technology, and innovation. These projects are primarily developed and funded by the Public Investment Fund (PIF) and represent the most visible and ambitious manifestation of Vision 2030’s economic diversification strategy.

The term “giga-project” (sometimes styled “GIGA project”) was coined by the Saudi government to distinguish these developments from conventional megaprojects. While a megaproject is defined by its scale (typically over $1 billion), a giga-project is defined by its ambition — the intent to create something that has never existed before, whether a linear city built on zero-carbon principles (THE LINE at NEOM), a luxury tourism destination on pristine Red Sea islands (The Red Sea Global), or the Kingdom’s first integrated entertainment and sports destination (Qiddiya).

The Major Giga-Projects

NEOM

Investment: $500 billion Location: Tabuk Province, northwestern Saudi Arabia (26,500 km²) Developer: NEOM Company (wholly owned PIF subsidiary)

NEOM is the largest and most ambitious of Saudi Arabia’s giga-projects — a plan to build an entirely new region in the northwest corner of the Kingdom, on the Red Sea coast and Gulf of Aqaba. NEOM encompasses several distinct developments:

THE LINE: A 170-kilometer linear city designed for 9 million residents, with no cars, no roads, and no carbon emissions. THE LINE’s concept envisions two parallel mirrored facades rising 500 meters, with all essential services (healthcare, education, retail, entertainment) accessible within a 5-minute walk. Construction of the initial phase began in 2022.

OXAGON: An octagonal floating industrial complex on the Red Sea, designed as an advanced manufacturing and innovation hub. OXAGON focuses on industries including clean energy, water desalination, sustainable food production, and advanced manufacturing, with a port and logistics infrastructure supporting global trade.

TROJENA: A mountain resort destination at 2,600 meters elevation in the Sarawat Mountains, designed for year-round tourism including skiing, adventure sports, and wellness. TROJENA is slated to host the 2029 Asian Winter Games, marking the first time the games will be held in the Middle East.

Sindalah: A luxury island resort in the Gulf of Aqaba, designed as NEOM’s first tourism destination. Sindalah features a marina, yacht club, luxury hotels, and diving facilities, and began receiving visitors in late 2024.

Key facts: NEOM is designed to operate as a special economic zone with its own regulatory framework, including independent rules on business licensing, labor, and customs. The project aims to contribute $48 billion annually to Saudi GDP by 2030.

The Red Sea Global (formerly TRSDC)

Investment: $50+ billion Location: Red Sea coast, between Umluj and Al Wajh (28,000 km²) Developer: Red Sea Global (wholly owned PIF subsidiary)

The Red Sea Global project is developing a luxury regenerative tourism destination across 22 islands, 6 inland sites, and over 200 kilometers of the Red Sea coast. The project is designed to set new standards for sustainable tourism, with a commitment to achieve a 30 percent net conservation benefit for the local environment.

Key features:

• 50+ hotels and resorts with approximately 8,000 rooms upon full completion
• A dedicated international airport (Red Sea International Airport, opened 2023)
• Marine and desert conservation programs
• 100 percent renewable energy through an integrated solar and battery storage system
• Smart destination management using IoT, AI, and biometric technologies

The first resorts opened in 2023–2024, and the project is being developed in phases through 2030 and beyond.

Qiddiya

Investment: $8+ billion Location: 45 km southwest of Riyadh (334 km²) Developer: Qiddiya Investment Company (wholly owned PIF subsidiary)

Qiddiya is Saudi Arabia’s entertainment, sports, and cultural capital — a destination designed to provide Saudi residents and visitors with world-class entertainment experiences that were previously unavailable in the Kingdom.

Key components:

• Six Flags Qiddiya: The world’s largest Six Flags theme park, featuring record-breaking roller coasters and attractions
• Speed Park: A motorsports complex designed to host Formula 1, Formula E, and other racing events
• Aqua City: A water park and aquatic entertainment destination
• Golf and sports facilities: Multiple golf courses, stadiums, and sports training facilities
• Performing arts venues: Concert halls, theaters, and cultural performance spaces
• Residential communities: Housing for up to 325,000 residents

Qiddiya’s first phase began opening in stages from 2024, with full completion targeted for 2030.

Diriyah Gate

Investment: $63+ billion Location: Diriyah, northwestern Riyadh Developer: Diriyah Gate Development Authority (DGDA)

Diriyah is the birthplace of the Saudi state and a UNESCO World Heritage Site. The Diriyah Gate project is transforming the historical area into a world-class cultural, retail, hospitality, and residential destination that celebrates Saudi Arabia’s heritage while creating a modern urban district.

Key features:

• At-Turaif UNESCO site: Preserved and enhanced as the centerpiece of the development
• Bujairi Terrace: A dining and retail district that opened in 2022, featuring Saudi and international restaurants
• Luxury hotels: Multiple five-star hotels including properties from Aman, Orient Express, and Corinthia
• Museums and cultural centers: Including the Biennale Foundation and various art galleries
• Retail: High-end shopping corridors featuring luxury brands
• Residential communities: Heritage-inspired residential developments for families and young professionals

New Murabba

Investment: $50+ billion Location: Downtown Riyadh Developer: New Murabba Development Company (wholly owned PIF subsidiary)

New Murabba is a 19-square-kilometer downtown development centered on The Mukaab — a massive cube-shaped structure (400 meters on each side) that will serve as a landmark destination. The Mukaab will contain hospitality, retail, entertainment, and cultural attractions within its vast interior space, using advanced projection and experiential technology.

King Salman Park

Investment: $17+ billion Location: Central Riyadh (13.4 km²) Developer: King Salman Park Foundation

King Salman Park is transforming the site of Riyadh’s former airport into one of the world’s largest urban parks — more than four times the size of New York’s Central Park. The park includes green spaces, cultural venues, a royal arts complex, a water feature complex, sports facilities, and residential communities.

Sports Boulevard

Investment: $5+ billion Location: Riyadh (135 km²) Developer: Sports Boulevard Foundation

An 8-kilometer sports and cultural corridor running through Riyadh, connecting the city’s eastern and western districts. The boulevard includes sports facilities, cycling paths, pedestrian promenades, cultural venues, and community spaces.

Riyadh Green

Investment: $23+ billion total for Riyadh greenification Location: Throughout Riyadh Developer: Royal Commission for Riyadh City

Riyadh Green is a city-wide environmental initiative to plant 7.5 million trees across Riyadh, increase green space per capita by a factor of 16, and transform the capital from an arid desert city into one with significant urban greenery and public outdoor spaces.

Economic Impact

Job Creation

The giga-projects are expected to create hundreds of thousands of direct and indirect jobs across construction, hospitality, entertainment, technology, and service sectors. NEOM alone targets 380,000 jobs by 2030, while The Red Sea Global, Qiddiya, and Diriyah Gate each project tens of thousands of positions.

GDP Contribution

Collectively, the giga-projects are designed to contribute significantly to Saudi Arabia’s non-oil GDP, supporting the Vision 2030 goal of reducing the economy’s dependence on hydrocarbon revenue. Tourism-focused projects (Red Sea Global, Qiddiya, Diriyah Gate) are central to the target of 100 million annual tourism visits by 2030.

Supply Chain Opportunities

The scale of construction and development across the giga-projects creates massive supply chain opportunities for international companies. Key areas of demand include:

• Construction materials and engineering services
• Hospitality design and management
• Technology systems and smart city infrastructure
• Environmental and sustainability services
• Entertainment content and experience design
• Transportation and logistics
• Renewable energy and water treatment

Foreign Investment

The giga-projects serve as powerful magnets for foreign direct investment, attracting international companies to establish operations in Saudi Arabia to participate in project supply chains, operate within project zones, or leverage the projects’ infrastructure for their own businesses.

Challenges and Considerations

Scale and Execution

The sheer scale of the giga-projects presents execution challenges. Managing multiple billion-dollar construction programs simultaneously requires unprecedented coordination of labor, materials, financing, and regulatory approvals.

Market Absorption

Some observers question whether the Saudi market can absorb the massive increase in tourism, entertainment, and residential capacity that the giga-projects will create. The government’s response is that the projects are designed to create demand — attracting visitors and residents who would not otherwise come to Saudi Arabia — rather than merely serving existing demand.

Sustainability

The giga-projects’ sustainability commitments are ambitious, but delivering on promises of zero-carbon cities, regenerative tourism, and environmental conservation in a desert climate requires technological innovation and sustained investment in environmental management.

Financial Viability

The giga-projects’ financial returns are long-term by nature, and some components may not generate positive cash flow for decades. PIF’s patient capital approach accommodates this timeline, but the fund must balance its giga-project commitments with its broader portfolio management and return objectives.

Conclusion

Saudi Arabia’s giga-projects represent the most concentrated effort to transform a national economy through large-scale development in modern history. The projects’ ambition — building new cities, creating new industries, and establishing world-class destinations — is matched only by the capital and political will committed to their execution.

For investors and companies, the giga-projects offer opportunities that are both extraordinary and complex. The scale of spending creates massive supply chain opportunities. The creation of new economic sectors opens markets that did not previously exist. And the government’s commitment to these projects provides a level of demand certainty that is rare in emerging markets.

Understanding the giga-projects — their timelines, their requirements, and their economic logic — is essential for any investor seeking to understand Saudi Arabia’s economic future.

Giga-Projects Quick Reference

Giga-Project Investment Framework

For investors evaluating giga-project opportunities, the following framework provides a structured approach to assessment:

Phase analysis: Determine which phase of development the project is in. Early-phase projects (active construction) offer supply-chain and contracting opportunities but carry execution risk. Mid-phase projects (transitioning to operations) offer hospitality, retail, and technology deployment opportunities. Mature-phase projects (fully operational) offer real estate, services, and ongoing operations opportunities. Each phase requires different capabilities, risk tolerance, and investment horizons.

Revenue model evaluation: Assess the project’s revenue model for plausibility. Tourism-focused projects depend on achieving target visitor volumes and occupancy rates — research comparable destinations to benchmark these assumptions. Real estate projects depend on demand for residential and commercial properties — evaluate the demographic and corporate demand drivers. Industrial projects depend on tenant attraction and manufacturing output — assess the competitive positioning of the industrial offering.

Government commitment assessment: Evaluate the strength of government commitment to the project. Key indicators include continued capital deployment by PIF, progress on infrastructure development (roads, airports, utilities), international partnership announcements, and the appointment of experienced leadership. Projects with strong, visible government commitment carry lower political risk than those where government attention may be wavering.

Competitive positioning: Assess the project’s competitive position relative to both domestic and regional alternatives. NEOM competes with Dubai for technology and innovation talent. Red Sea Global competes with Maldives and other luxury island destinations. Qiddiya competes with Dubai’s theme park offerings. Diriyah’s cultural positioning is more distinctive and less directly competitive. Understanding each project’s competitive dynamics helps investors evaluate demand forecasts and pricing assumptions.

Risk calibration: Calibrate your risk assessment based on the project’s specific characteristics. Timeline risk is higher for technologically ambitious projects (THE LINE) than for conventionally engineered projects (Red Sea resorts). Demand risk is higher for projects dependent on international tourism than for projects serving the large Saudi domestic market. Financial risk is lower for projects with diversified funding sources than for those dependent solely on PIF capital.

Saudi Arabia’s giga-projects represent the most visible and ambitious manifestation of Vision 2030’s economic diversification strategy. Their success or failure will significantly influence the Kingdom’s economic trajectory, PIF’s portfolio performance, and the global perception of Saudi Arabia as an investment destination. For investors, the giga-projects create opportunities across the full spectrum of economic activity — from construction and engineering to hospitality and technology, from manufacturing and logistics to cultural production and environmental services. Understanding each project’s unique characteristics, risk profile, and development timeline is essential for identifying which opportunities align with your capabilities, risk tolerance, and investment horizon.

Giga-Project Procurement and Supply Chain Opportunities

The scale of Saudi Arabia’s giga-projects creates a massive procurement ecosystem that extends far beyond the primary development companies. Understanding the procurement structure helps investors and companies identify entry points:

Procurement access pathways: Most giga-projects maintain formal vendor registration portals where companies can register their capabilities, certifications, and track records. Tier-1 contractors (the primary construction companies awarded major packages) subcontract significant portions of their scope to Tier-2 and Tier-3 suppliers, creating opportunities for specialized companies that may not have the scale to bid on primary contracts directly. Companies seeking giga-project procurement opportunities should register on project-specific vendor portals, attend pre-qualification events hosted by project companies, establish relationships with Tier-1 contractors who subcontract work, and ensure compliance with local content requirements (which mandate minimum percentages of Saudi-sourced materials, labor, and services). The giga-project procurement pipeline will sustain elevated construction and infrastructure spending in Saudi Arabia through at least 2035, providing a long-duration demand signal for companies positioned to serve this market.

Donovan Vanderbilt is the founder of The Vanderbilt Portfolio and publisher of Invest Riyadh. This glossary entry is for informational purposes only.