Some beaches are subject to more marine waste than others. If you are seeking a business with a high turnover then choose a location with a high number of visitors and with strong on-shore drift.
For sewage-related debris, you will find the best results on an urban,
Scottish or West Country beach. If unsure, we recommend you consult
the Marine Conservation Society’s Beachwatch results to
identify a beach that meets your needs exactly.
We expect some beaches to be in high demand. Don’t worry though
- you will find there is more than enough rubbish for everyone. According
to the UN, there are on average of 46,000 pieces of plastic litter
per square mile of ocean worldwide and it’s increasing all the
time - so there is no danger of running out!
Here's some I found earlier