These are some tileable texture during my studies at AIE in Adobe Substance Designer and all are rendered in marmoset toolbag.
Sand Pebbles
Sand Pebbles texture maps
Cliff Rocks
Cliff Rocks texture maps
Rock Pebbles
Rock Pebbles texture maps
Rock Sand
Rock Sand texture maps
Sea Water
Sea Water texture maps
River Water
River Water texture maps
Tile Bricks
Tile Bricks texture maps