Aquarium Donostia – San Sebastián

Overview

The Aquarium of San Sebastián sits at the harbour end of Monte Urgull and is the oldest aquarium in Spain, fully renovated with a 360° underwater tunnel showcasing Atlantic and tropical marine species.

Highlights

• Oceanarium Tunnel: A transparent acrylic tunnel lets visitors walk surrounded by sharks, rays, and turtles.
• Touch Tank: Interactive pools for younger visitors to handle starfish and sea urchins.
• Maritime Museum Section: Exhibits on Basque whaling and fishing traditions.

History

Founded in 1928, the Aquarium was extensively rebuilt in 2006–2008 with a modern glass-fronted extension. The original museum section preserves artefacts from the city's deep connection to the sea.

Visitor Tips

• Tickets: €13 adults, cheaper online.
• Best Time: Weekday mornings to avoid school groups.
• Duration: 1–1.5 hours.