Redland City Council has installed signs at Orana Esplanade and Wilson Street in Victoria Point to advise residents and visitors of the presence of Lyngbya, a naturally occurring blue-green algae.
Lyngbya (Lyngbya majuscule) can cause skin, eye and respiratory irritations if people come into contact with it, and swimming and wading are not recommended where it is present.
The presence of Lyngbya is not uncommon for the waters of Moreton Bay between October and March, and often appears as mats floating on the surface of the water or as washed-up clumps on the beach.
The council signs are precautionary only to inform people of the presence of the algae, and all Redlands coast beaches and waterways remain open for recreational use.
Council urges residents to be mindful that Lyngbya could be present at any beach, and will continue to monitor all Redlands Coast beaches and erect signs if Lyngbya is found elsewhere.
More information is available from the Department of Environment and Heritage Protection.