Ostional Guesthouse: Minimalist Beach House Retreat in Costa Rica

Designed by K10 Studio, the Ostional Guesthouse in Costa Rica’s Guanacaste region offers a captivating 175 m² beach house with a low-tech industrial design concept. Featuring an open-plan living area, an infinity pool, and two master bedrooms with ocean and jungle views, this property seamlessly blends minimalistic elements with a deep connection to its stunning natural surroundings.

A modern, minimalist architectural design with an open-plan layout, large windows, and a swimming pool.
A modern kitchen with wooden ceiling, sleek appliances, and a breakfast bar overlooking nature.
A modern, open-concept bedroom with panoramic views of the surrounding landscape.
Elegant bathroom with geometric wallpaper, wood vanity, and round mirror.
Minimalist hallway with black metal framing, large windows offering scenic views.
Modern architectural design with wooden accents, glass panels, and a swimming pool set against lush foliage.
Tropical architectural elements including geometric patterns, palm trees, and natural landscaping.
Modern tropical-inspired home with geometric facade, covered balcony, and lush vegetation.
A modern, glass-walled house nestled in lush, tropical vegetation with a pool.

About Ostional Guesthouse

Nestled atop a hill in Ostional, Costa Rica, the Ostional Guesthouse by K10 Studio is a 1,884 square-foot (175 m²) beach house that seamlessly blends industrial elegance with a deep connection to its natural surroundings. Designed in 2023, this low-tech masterpiece offers unparalleled panoramic views of the Pacific Ocean.

A Seamless Fusion of Indoors and Out

The heart of the Ostional Guesthouse is its open-plan living area, which effortlessly transitions to an infinity pool positioned perpendicular to the house. This strategic layout not only dramatizes the captivating ocean vistas but also invites the lush tropical landscape to become an integral part of the living experience.

A Harmonious Balance of Design and Function

Adorned with carefully selected mosaic tiles that create mesmerizing geometric patterns and striking color contrasts, the Ostional Guesthouse exudes a minimalistic, industrial charm. Its raw, yet elegant, finishes of concrete, steel, and teak wood seamlessly complement the surrounding nature.

Refined Accommodations with Unparalleled Views

Upstairs, the house features two master bedrooms and one children’s bedroom, each with private balconies overlooking the ocean and jungle. The segmented bathrooms are highly functional, designed to cater to the diverse needs of guests during rental periods.

A Thoughtful Approach to Design and Experience

The Ostional Guesthouse is a testament to the designers’ deep understanding of the balance between building size, budget, quality, and user experience. Every aspect of the project has been carefully considered to create a space that is both inviting and unpretentious, allowing the natural beauty of the location to take center stage.

Photography by Roberto D’Ambrosio
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- by Matt Watts