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Casa Cosmos by SA-R Blends Brutalist Architecture with Oaxacan Landscape

architecture-design · 2026-06-30

Casa Cosmos, a private residence near Puerto Escondido in Oaxaca, Mexico, by Mexican studio SA-R, integrates landscape and architecture through a square plan with three main elements. A central brutalist concrete core of 72 square meters houses a bedroom, kitchen, living room, and bathroom. A surrounding concrete column-and-beam grid creates a patio divided into compartments for a garden, pool, and terrace. Large sliding wooden doors, made from local macuil wood, dissolve the boundary between inside and outside. A spiral staircase leads to a rooftop terrace with a water mirror for stargazing, giving the house its name. The design combines traditional Mexican materials—concrete and wood—with contemporary needs.

Key facts

  • Casa Cosmos is located near Puerto Escondido, Oaxaca, Mexico.
  • The house was designed by Mexican studio SA-R.
  • It has a perfect square plan and three main parts.
  • The central core is 72 square meters and built in concrete, referencing brutalist architecture.
  • The core contains a bedroom, kitchen, living room, and bathroom in four quadrants.
  • A concrete grid of columns and beams surrounds the core, creating a patio with compartments for a garden, pool, and terrace.
  • Large sliding wooden doors separate interior and exterior spaces.
  • The wood used is local macuil, contrasting with concrete.
  • A spiral staircase leads to a rooftop terrace with a water mirror for stargazing.
  • The name Casa Cosmos comes from the ability to read stars and constellations in the water mirror.

Entities

Institutions

  • SA-R

Locations

  • Puerto Escondido
  • Oaxaca
  • Mexico

Sources