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7 tips to protect furniture from salt spray in beach houses

Living with the sea air requires continuous attention, but it doesn't have to limit aesthetic choices or compromise the comfort of internal and external projects.

By CASACOR Publisher

Submitted at Nov 21, 2025, 2:00 PM

08 min de leitura
casa-minorca-espanha-gabriel-montanes-foto-adria-goula-1

casa-minorca-espanha-gabriel-montanes-foto-adria-goula-1 (Adrià Goula/Divulgação)

Living near the sea is a unique experience — abundant light, fresh breeze, lighter rhythm. But for those who have a beach house, a recurring challenge presents itself in everyday life: the action of the sea spray on furniture and surfaces. The salt present in the air accelerates oxidation processes, wears down finishes, and affects different types of materials, from metal to wood.

Blue shutters on the balcony define this beach house inspired by Greece. Project by Brise Arquitetura. In the photo, gourmet kitchen with thatched ceiling and sea view.

Projeto de Brise Arquitetura. (Juliano Colodeti, do MCA Estudio/Divulgação)

Therefore, understanding how to prevent damage helps keep the house protected and prolongs the useful life of the furniture. With some well-directed choices and simple care, it is possible to coexist with the sea spray without giving up beautiful, durable pieces aligned with the beachside lifestyle.

7 tips to protect furniture against sea spray


Next, a set of practices that help minimize the damage from the sea spray, preserve materials, and ensure that the furniture remains beautiful over the years. These are accessible care tips that fit well into the coastal routine.

1. Prefer resilient materials

Pieces made of aluminum, synthetic fiber, stainless steel, and marine wood better withstand the effects of sea spray. They do not oxidize easily and maintain their appearance even with high exposure to salt and humidity. The more resistant the material, the less maintenance required.

2. Invest in protective finishes

Nautical varnishes, sealants, and waterproof paints create a protective layer that reduces wear caused by the sea spray. These products prevent moisture from penetrating the material and significantly increase the durability of the furniture.

Beach house in Trancoso is built around a native tree on the lot. Project by David Bastos. In the photo, a pool with a view of the sea.

Projeto de David Bastos. (Tuca Reines/Divulgação)

3. Regular cleaning

Salt accumulates quickly, and constant cleaning prevents it from settling on the furniture. A damp cloth, followed by immediate drying, is already sufficient to remove residues of sea spray — especially on metallic pieces or those with a glossy surface.

4. Avoid directly exposing furniture

Open areas, balconies without closure, and spaces that receive wind from the sea are more susceptible to wear. Whenever possible, position furniture in partially protected areas or use covers when they are not in use.

5. Maintain ventilation

Closed projects accumulate moisture and intensify the effects of sea spray. Open windows, air circulation, and dehumidifiers help to control internal humidity and reduce the risks of mold and corrosion.

In front of the sea, a 4,465 sq ft apartment combines art and Italian design in the décor. Project by David Bastos. In the photo, dining room with a view of the sea.

(Denilson Machado, do MCA Estúdio/Divulgação)

6. Use appropriate accessories and textiles

Waterproof fabrics, nautical covers, and outdoor cushions are more resistant to salt and wind. In addition to protecting the furniture, they make maintenance simpler and prevent the frequent replacement of upholstery.

7. Periodically inspect

For those who live near the coast, developing the habit of observing hinges, screws, and areas in direct contact with the sea spray is essential. Small signs of corrosion can be treated quickly, preventing greater damage.

In front of the sea, house combines a suite-loft, hidden TV, and a sculpture garden. Project by Ketlein Amorim. In the photo, living room with stairs and a view of the sea.

(Luiza Schreier/Divulgação)

How to keep the house beautiful even with sea spray


Even with the challenges brought on by sea spray, it is entirely possible to preserve a careful and sophisticated aesthetic. The combination of resilient materials, protected surfaces, and smart choices in decoration keeps the projects pleasant without relinquishing style.

In Praia do Forte, a 5,574 sq ft refuge integrates architecture and nature. Project by David Bastos. In the picture, living room with white sofa and wooden ceiling.

(Tuca Reinés/Divulgação)

Small daily actions — such as cleaning, ventilating, and properly storing — make all the difference in keeping the furniture looking good over time. And when maintenance becomes part of daily life, the beachside house reveals the best of both worlds: comfort, beauty, and durability balanced with the coastal climate.

CASACOR Publisher is a creator of exclusive content, developed by the Technology team of CASACOR based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.