St. Regis Makes Its Debut on the Costa del Sol: A Landmark Development for Marbella

A new chapter in Marbella’s luxury real estate and hospitality sector.

Sierra Blanca Estates and Platinum Estates have announced a landmark agreement with Marriott International to introduce the prestigious St. Regis brand to the Costa del Sol for the first time.

Located in Las Dunas, Marbella East, this exceptional beachfront development represents a significant investment in the region’s future, combining world-class hospitality, exclusive branded residences, architectural excellence and environmental sustainability.

The Development at a Glance

📍 Prime beachfront location: Las Dunas, Marbella East, featuring more than 350 metres of coastline bordered by a protected natural dune system.

🏨 St. Regis Hotel: A five-star luxury hotel comprising 169 rooms, bringing the brand’s internationally renowned hospitality standards to Marbella.

🏡 Exclusive Branded Residences: A collection of 151 private residences offering two to five bedrooms, with living spaces ranging from 150 m² to approximately 1,000 m² in the most exclusive properties.

🎨 World-Class Architecture and Design: Architectural and interior design by the internationally acclaimed Rockwell Group, in collaboration with local architectural practice AGAS.

🌊 Exceptional Lifestyle Amenities: A comprehensive selection of fine-dining restaurants, wellness and sports facilities, swimming pools and an exclusive beach club, with year-round access for residents.

🗓️ Development Timeline: Infrastructure works are scheduled to commence in 2026, with the official opening anticipated in 2031.

A Strategic Investment in Marbella’s Future

The availability of beachfront land of this magnitude has become exceptionally rare in Marbella. Beyond its architectural and hospitality ambitions, the development is expected to deliver substantial economic, environmental and infrastructural benefits to the region.

Key projected contributions include:

• Economic growth and employment: More than 2,000 direct and 4,500 indirect jobs during the construction phase, followed by over 450 permanent positions upon completion.

• Public space and accessibility: Approximately 110,000 m² of the total 160,000 m² site designated for public use.

• Environmental regeneration: Restoration of nearly 50,000 m² of protected coastal dune ecosystems.

• Infrastructure improvements: An extension of more than 500 metres to the coastal promenade network, 277 public parking spaces and a new service road alongside the A-7 motorway.

Strengthening Marbella’s Position in the Global Luxury Market

The arrival of St. Regis represents considerably more than the introduction of another prestigious international hospitality brand.

It signals growing international confidence in Marbella as a destination for premium real estate investment, luxury tourism and long-term economic development.

Projects of this calibre contribute to the transformation of Marbella’s urban and investment landscape, reinforcing the region’s international appeal and its position among the world’s most sought-after luxury destinations.

For international investors, such developments also highlight the importance of understanding the broader economic, infrastructural and urban transformation shaping the future of the Costa del Sol.

IBCC International Consulting

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