The Mexico and Sweden-based architectural practice MAIN OFFICE has recently expanded and restored CASA LT, an existing residential complex nestled in luxuriant tropical Mexican greenery. Located in Sayulita, a well-known surfers’ town on the West coast of Mexico, the building stands on the beachfront and blends smoothly into the steep and articulated topography, with a breathtaking view over the Pacific Ocean.

Carefully integrating architecture and the tranquil tropical landscape, CASA LT has been designed around the living palm and almond trees, plantains and ferns that join the site’s topography in playing a key role in ensuring a clear view to the waterfront from all its spaces, both internal and external.

Composed of three small houses situated on the top of the hill, the original complex built in the 50’s was in poor condition due to humidity problems and lack of maintenance. MAIN OFFICE initially focused on the renovation and preservation of the original essence, and then on the design of a new main building and a guest house facing the beach on the lower part of the property.

“The main idea of the project is to reinterpret the design parameters of the original complex and to keep the idea of a small-contained village within the site.” says Dante Borgo, MAIN OFFICE’s co-founder.

MAIN OFFICE connects the various levels through a series of concrete platforms that adapts to the topography, walkways and vibrant gardens. The border between interior and exterior dissolves. The single-family house features a kitchen with a panoramic view, an open living and dining area linked to the infinity pool, a bedroom with handcrafted concrete bathtub built in-situ, and a terrace with a stunning ocean view.

Both the construction system and the materials employed have been derived from local resources. Cement blocks finished with white stucco shape the walls, while polished concrete enhances the architectural quality of floors and fixed furniture. For the warm interior furniture, closets, doors and window frames, indigenous Parota wood has been used for its resistance to humidity, to salinity in the air and to exposure to strong sunlight.

Architects: Dante Borgo and Isabella Eriksson

Part of a wider research initiative, CASA LT is located a mere few steps away from other buildings designed by MAIN OFFICE, such as CASA GALERIA, a newly built residential complex that has rapidly become a reference point in the town, and the upcoming CASA REAVIS, a private house to be completed by the end of 2018.


Project name: CASA LT

Location: Sayulita, Nayarit, Mexico

Architect: MAIN OFFICE (Sima Agisheva, Dante Borgo, Isabella Eriksson)

Project team: Pablo Alemán, Montserrat Bucio, Brenda Cibrian, Rodrigo de la Torre, Luis Gordian, Manuel Guerrero

Client: private

Design phase: September 2016 – January 2017

Construction phase: February 2017 – July 2018

GFA: 175 sqm, 219 sqm (renovation)

Contractor: Terraza Construcciones, Sayulita (Mexico)

Furniture design: MAIN OFFICE

Photography: ©Rafael Gamo


MAIN OFFICE is an architectural practice based in Mexico and in Sweden, working within the fields of interior design, architecture and urban planning. Founded in 2014 by architects Dante Borgo and Isabella Eriksson, MAIN OFFICE rejects any precipitation on the architectural form. MAIN OFFICE is convinced that taking the time to involve the client in the design process fosters better architectural quality.

“Each project is special and a challenge; therefore we like to go beyond standard solutions in order to re-define new typologies.” says founders Dante Borgo and Isabella Eriksson.

MAIN OFFICE strongly believes in design as a process and that analysing each parameter of the project is an opportunity rather than a limitation. Whenever there is a strategic approach to the project, restrictions turn into key elements to develop innovative projects that suit all kinds of budgets, locations, and rigorous design and construction agendas. MAIN OFFICE’s portfolio includes several residential, hospitality and retail projects in Mexico and in Sweden.


Dante Borgo holds a Master’s in Architecture and Urbanism from the TU Delft (Delft University of Technology) in the Netherlands. In 2012, Dante worked for the Rotterdam office of KAAN Architecten. As project leader, he led some of the company’s international projects in countries such as China, Belgium and Spain. In 2014, together with Swedish architect Isabella Eriksson, he founded MAIN OFFICE, a multidisciplinary practice focusing on architecture, urbanism and interior design. Dante leads the Mexican outpost along with Sima Agisheva. In parallel, he’s a professor and lecturer at the Tecnológico de Monterrey (ITESM) campus in Guadalajara (Mexico), where he teaches architectural design and theory.


Isabella Eriksson holds a Master’s in Architecture and Urbanism from the Chalmers University of Technology in Gothenburg, Sweden and the TU Delft (Delft University of Technology) in the Netherlands. In 2012, Isabella joined BIG (Bjarke Ingels Group) to work on several projects within the urban and architectonic scale. In 2014, , together with the Mexican architect Dante Borgo, she founded MAIN OFFICE, a multidisciplinary practice with offices in Mexico and Sweden. Isabella leads the Swedish office while simultaneously teaching at the Architecture Department of the Chalmers University of Technology in Gothenburg.

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