I will be visiting Thailand for the first time in November and after visiting Bangkok and Chiang Mai, I would like to spend 7 or 8 nights on the beach. I want to stay somewhere quiet with amazing views. I can't seem to make up my mind on whether I should stay in Krabi, Phuket or Ko Phi Phi. Should I just split my time between all three locations? Please note that my flight from Chiang Mai to Phuket is already booked and that I will fly to Hong Kong from Phuket after my time on the beach. Please help me!

Thanks!