Floating Tropical House Design On A Steep Slope Casa Em Ubatuba By Spbr

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Gallery of House in Ubatuba / spbr arquitetos 29 Tropical house


In the year 2023, the architectural world is abuzz with the innovative and stunning design of the floating tropical house known as Casa em Ubatuba, created by the renowned Brazilian architecture firm SPBR. Situated on a steep slope, this unique house combines modern aesthetics with sustainability and functionality. In this article, we will delve into the details of this extraordinary architectural marvel, its design principles, and the features that make it stand out.

Design Concept

The design concept of Casa em Ubatuba revolves around the idea of seamlessly blending the house with its natural surroundings. The architects at SPBR achieved this by creating a structure that appears to float on the steep slope, giving it an ethereal and almost magical quality. The use of large glass panels and open spaces further enhances the connection between the interior and exterior, allowing for breathtaking views of the tropical landscape.

Sustainability Features

Casa em Ubatuba is not only visually stunning but also environmentally friendly. The architects incorporated several sustainable elements into the design, such as rainwater harvesting systems, solar panels for energy generation, and natural ventilation to reduce the need for artificial cooling. The use of locally sourced materials and the preservation of existing trees on the site also contribute to the house’s eco-friendly footprint.

Functionality and Layout

Despite its unconventional design, Casa em Ubatuba is highly functional. The house is divided into different levels, each serving a specific purpose. The lower levels consist of private spaces such as bedrooms and bathrooms, while the upper levels house the living areas, kitchen, and entertainment spaces. The layout ensures privacy and maximizes the stunning views from every part of the house.


1. How does the house “float” on the steep slope?

The floating effect of the house is achieved through a combination of structural engineering and clever design. The foundation of the house is strategically built to anchor it to the slope while giving the illusion of it floating above the ground.

2. How does the house deal with heavy rainfall?

The architects have incorporated a rainwater harvesting system into the design. The sloping roof collects rainwater, which is then stored and used for various purposes, such as irrigation and toilet flushing. This sustainable feature helps reduce the house’s reliance on external water sources.

3. How is the house powered?

Casa em Ubatuba utilizes solar panels installed on the roof to generate electricity. The panels convert sunlight into energy, which is used to power the house’s appliances and lighting. Any excess energy can be stored and used during periods of low sunlight.

4. Is the house suitable for families?

Yes, the house is designed to cater to the needs of families. The multiple levels provide ample space for privacy, and the open living areas allow for quality time together. The surrounding outdoor spaces also offer opportunities for recreation and relaxation.


The floating tropical house design of Casa em Ubatuba by SPBR is a true masterpiece that showcases the ingenuity and creativity of modern architecture. Its seamless integration with the natural environment, sustainable features, and functional layout make it a dream home for those seeking a unique and eco-friendly living experience. This architectural marvel is a testament to the limitless possibilities of design and innovation in the 21st century.