Islanders have been asked to avoid Beaucette Marina after asbestos was discovered, following Tuesday evening's fire.
The fire engulfed a shed, but nobody was injured.
Health and Safety inspectors analysed the site, discovering asbestos debris. However, they say the risk to the public is low.
A specialist contractor is dealing with the contamination on behalf of the site owner. Do not attempt to do this yourself as you may become contaminated and could be exposed to asbestos fibres.
If you find any debris, do not touch it. Instead, call Ricky Stevens on 245000 who will arrange for it to be collected safely.
Guernsey to get serious about film industry expansion
JT Group acquires Isle of Man's leading telecoms provider
First brick laid at Guernsey's upcoming Wildlife Hospital
Farming in Herm dates back six millenia
Guernsey's water storage increases by 1% in 24 hours
Guernsey primary school gets daily vegetable tasters
Storm Benjamin dramatically ends Guernsey's dry spell
Tireless Guernsey fundraiser "re-energised" by awards evening
