4K Photorealistic wet sand material with shells(.sbsar). It's not one tilled photo, an ortophotogrammetry used due to what there is a big piece of surface used for tilling! Although, it is not a boring sand, there are plenty of small stones, shells and parts of them - all this make the final surface very interesting, but not boring and simple. If your character is going to sit or run on the beach and camera is going to come close to it, it is better to have texture which contains diverse particles for better impression.

Material consist of:

Diffuse (Albedo) mapHeight mapGlossiness mapNormal mapAmbient oclusion map4K photorealistic dry sand is avaliable as well here: https://www.cgtrader.com/3d-models/textures/natural-textures/photorealistic-dry-sand-4k. This material (or with dry sand together) will add diversity to your surface as it doesnt look like 1 photo tiled as it is not :)