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A group of young people are stood around a rockpool in the sunshine. They are with two Marine Conservation Society staff.

World Ocean Week

Clean-ups, creative campaigns, free events and wildlife spotting in a week-long celebration of the ocean!

We're the Marine Conservation Society, the leading environmental ocean charity. We're working towards a cleaner, better protected, healthier ocean. Will you join us?

What we do

Our ocean is at a tipping point. We're fighting to turn the tide on ocean pollution and restore the health of the seas. Explore our ambitious projects, find out how we're protecting marine areas, and help us recover precious wildlife and habitats.

 

Learn more about our work
Atlantic puffins preening one another on Skomer Island, Wales. The backdrop is golden while one puffin nudges the underside of the others beak in a beautiful embrace.

Adult puffins  |  Image credit: Kevin Morgans

Marine wildlife A-Z

From acorn barnacle and angel shark right through to lion's mane jellyfish and tompot blenny, learn some fascinating marine facts with our new wildlife A-Z. We recommend the amazing cuttlefish to get you started!

 

Find your favourite wildlife
A compass jellyfish swimming near the surface of clear blue water, it's brown compass markings pointing to a brown centre can be clearly seen on its bell.

A compass jellyfish  |  Image credit: Theo Vickers

Find a beach clean

Join one of our beach cleans and help keep Britain's beaches beautiful and our ocean safe for wildlife. There's lots of events to choose from over the summer, or we'll support you to run your own!

 

Make your clean count
A person wearing a navy blue Marine Conservation Society t-shirt, jeans, and a tan cap laughing while using a litter picker. The camera angle is low, looking up at the person against a bright, clear blue sky. A blurred plastic bottle is in the foreground.

Image credit: Rose Bainbridge

80

%

drop in plastic bags found on UK beaches since 5p charge was introduced

80

p

for every £1 donated is used for our charitable activities

16595

volunteers donating their time