On: The Ocean 'Was the Color of Chocolate.' Mexico Declares War on Seaweed.

Not that bad actually. They probably clean this beach daily for tourists.

Back when I lived in Cancún I remember 1-2 meters high mountains of sargassum in less touristic beaches like Playa Coral.

Eg: https://irp.cdn-website.com/f070c7e5/dms3rep/multi/Sargazo+C...