Yes Klong Prao beach is a very nice one ; Nid's reggae bar and restaurant is a great place to enjoy reggae music and excellent food from Isaan ; Two others good adress a few meters away from Nid's are "TONSAI restaurant , chill out ambiance , good thai food et very reasonnable prices or "Yummit Hut " ( The best Pappaya salad on the island )
But the link www.bluelagoonhotel.com is about a business in Koh Samui Island and NOT in koh chang ;-))