Regarding to your email, you can take the longtail boat by local peple at Koh Yao Yai pier (Klong Hia Pier) to Koh Yao Noi pier (Ma-Noh Pier). The longtail boat will take you around 5-10 minute, after you arrive at Koh Yao Noi pier you can catch the shuttle bus transfer you sightseeing.