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Reality Check: Why the Seabed around Mallorca Is Still Full of Trash After the Season

Why Mallorca’s Seabed Stays Dirty After the Season

Seabed surveys around Mallorca show why trash remains after the season and where it likely comes from.

Published: April 23, 2026
Reality Check: Why the Seabed around Mallorca Is Still Full of Trash After the Season

Answer

Why is the seabed around Mallorca still full of rubbish after summer?

The debris does not simply vanish when the season ends. Findings from seabed surveys around Mallorca suggest that waste comes from several sources, including boats, harbour activity, fishing gear and parts of everyday coastal life, and many materials stay underwater for a long time. Hard plastics, fiberglass and similar items are especially persistent because they do not break down quickly.

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