I'll echo the stamp and stain method as being best. Tile always seem to end up being a problem outside. Cracked tiles because something heavy was dropped on it. Grout wearing out quickly. Lots of problems.
12 ac pond in NW Missouri. 28' max depth at full pool. Fish Present: LMB, BG, RES, YP, CC, WB, HSB, WE, BCP, WCP, GSH.
