Cost of a 30 day visa free entry to hainan island?

Hello!
Thank you for this information! Could you tell me how much it is to have this 30 day visa free exemption to hainan island please? My husband and I have a holiday booked for 6 nights at Club Med Sanya on the 14th October 2018.
Do we need to bring a photograph/photographs for the application please? Thank you. Maureen Hinton.