This is actually something that I could look at for a long time, and not get tired of it. The tiny variations are true to the visual stimulus of a real life beach - not some minecraft generated image. At the same time, it does not stand out as a shouting logo, which says: "Heineken!" or "Coke!". Have you ever looked at the beach - between all the natural elements, there might be a bottle cap with a logo on it - it truly catches our eyes.
Anyway, kira1474, thank you for your participation. I hope to see more posts under this name. Would you like to try the 16 by 16 pixel version of this?
greetings from Pentamon
Thank you for the kind comments. I've updated my post with some more ideas. Will attempt an 16x16 version soon (will likely be just the star and no coin).