Help me find this building fellow architects!

First of all, pardon my English.

It's a brutalist seaside building, I've seen an image of it years ago, and I have no idea how to find it again, there's multiple large rocks close to it, and it's by the ocean, it's slanted and has sort of a L or Z shape to it. It's in a cold beach, not a cliff, more of a stony shore kind of thing.

Sorry for not making more details to it, I only remember the general shape.

It's not a lighthouse, and also not a building for many people to live either.

Anyway, thanks!