foreshore

They are accepting of people walking along the foreshore but technically only licensed mudlarkers are permitted to remove objects from the foreshore (and are obligated to report the find).

The UK foreshore is owned by the Crown, except for some cases where it has been sold off.

Researchers believe they may have been fish traps built on the foreshore, or walls to protect against rising seas.

Best spot for garnets (for those with a permit, naturally): Bankside Foreshore near the Tate Modern.

Mudlark on the River Thames foreshore by day, then hunt vampires at Carfax Abbey by night.

It's worth noting that there's various myths about the legality of activities on the foreshore.

For example, my partner goes for a daily walk along the foreshore of the beach.

This happens in foreshore native zones: attracting mice and rats attracts their predators: snakes.

I think that's just luck of the draw though, the company moved here before the CTN foreshore became fashionable.

From a comment upstream, all foreshore in the UK has an owner.

Whilst there is little policing of the foreshore, it is mostly owned by the Crown Estate and managed by the Port of London Authority.

The estate was in on-going 'discussions' over the previous several years with the local council about gating half the street, and consequently access to the foreshore.