Blue Week 2026 - Explore how the sea is helping build a cleaner, more sustainable future

The sea has always shaped life in The Hague. This week, discover a new side of the ocean. Explore exhibitions, tours, talks and activities that reveal how the sea is helping build a cleaner, more sustainable future. Organised by Bluespring on behalf of the Municipality of The Hague, Blue Week brings the city alive alongside the international ICOE OEE 2026 conference.