Palacete Martí Dehesa

Palacete Martí Dehesa is a modernist mansion in Santa Cruz de Tenerife, widely regarded as one of the finest examples of Canarian Art Nouveau architecture. Located in the Los Hoteles neighborhood right next to Plaza de 25 de Julio, it stands out immediately thanks to its distinctive tower and the striking contrast between richly decorated sections of the facade and completely bare wall surfaces.

Who built it and why?

The mansion was completed in 1912, commissioned by Nicolás Martí Dehesa, an engineer who had overseen the construction of the city's electricity plant. The design came from Mariano Estanga, an architect born in Valladolid who worked on several notable projects in Tenerife — this building is widely considered his masterpiece. The style draws heavily on Viennese Secession principles, specifically reflecting the influence of Austro-Hungarian architect Joseph Maria Olbrich, a direct request from the mansion's first owner.

What makes the building stand out?

The facade's defining feature is the contrast between lavishly ornamented sections and entirely plain surfaces — an approach that sets it apart from other Art Nouveau buildings on the island. Straight lines dominate over the flowing curves typical of classic Art Nouveau design, giving the structure a more geometric, distinctly Viennese feel. The most recognizable element is a tall tower topped with Oriental-inspired architectural details, which makes the mansion visible across this part of the city. Inside, the modernist framework blends with Second Empire style elements, giving the building an eclectic character that pairs an Art Nouveau exterior with a more classical interior sensibility.

How has the building's use changed over time?

Originally designed as a single-family residence, the palacete later took on a very different role: it served as the headquarters of the Canary Islands regional government, reflecting how significant a landmark it became within the city over the following decades. Today the building houses a facial aesthetics clinic, while the structure itself remains one of the best-preserved examples of early 20th-century architecture in Santa Cruz de Tenerife.

How do you get there?

Palacete Martí Dehesa sits in the central part of Santa Cruz de Tenerife, in the Los Hoteles district, directly beside Plaza de 25 de Julio — an easily walkable location well connected to the rest of the city center. It's worth combining a visit with a stroll through the surrounding streets, where several other buildings from the same era survive, offering useful context for the mansion's architectural style.

When is the best time to visit?

Since the building is viewed mainly from the outside today — it functions as a clinic rather than a tourist attraction — the best time to visit is during daylight hours with good natural light, which brings out the facade's textures and contrasts. Morning or late-afternoon light in particular highlights the geometry of the facade and the details of the tower.

Frequently asked questions

Can you go inside the mansion? The building currently operates as a facial aesthetics clinic, so interior access is limited to clients of the practice. Visitors typically view the mansion from the outside.

Who designed Palacete Martí Dehesa? It was designed by architect Mariano Estanga, a native of Valladolid, and built in 1912 for engineer Nicolás Martí Dehesa.

Why is this building so significant for Tenerife's architecture? It's considered the finest example of Canarian Art Nouveau and Estanga's masterpiece, thanks to its unusual combination of Viennese Secession style with Second Empire interior elements.

What's the most distinctive feature of the building? Its tall tower with Oriental-inspired detailing, along with the sharp contrast between heavily ornamented and completely plain sections of the facade.