The Rianxo Sea Museum, located in the Casa do Coxo, is a space dedicated to the history and maritime culture of Rianxo. Through its exhibitions, the museum showcases Rianxo's close relationship with the sea.

Robustiano Losada is an artist from Rianxo, known as "Nuco." This versatile creator has a museum in his own home, open to visitors free of charge.

The Castelao´s House is an emblematic building that pays tribute to one of the most illustrious figures in Galicia: Alfonso Daniel Rodríguez Castelao.

The Rafael Dieste´s House is a cultural space dedicated to the life and work of the renowned Galician writer, playwright, and thinker Rafael Dieste.

The Manuel Antonio´s House is a cultural space dedicated to the life and work of the modernist poet Manuel Antonio, one of the most prominent figures in 20th-century Galician literature.

Educational and informative space dedicated to the marine environment and the conservation of coastal ecosystems.

The Valle-Inclán Museum in A Pobra do Caramiñal is located in the Torre de Bermúdez, a 16th-century building linked to the writer's family, as it belonged to his grandparents. It was declared a Historic-Artistic Monument in 1976.

The Interpretation Center of the Galician Coastal Ecosystems (CIELGA) is a space dedicated to the dissemination and conservation of the coastal ecosystems of Galicia.

Cultural space dedicated to the promotion and dissemination of contemporary graphic art, with special emphasis on engraving and digital printing. This museum, unique in its kind in Galicia, houses a collection of works by national and international artists who explore traditional and digital engraving techniques.