Planning honeymoon

Hello Friends,
Its that time in my life where I need to impress my wife by planning out our honeymoon.
I want to plan it in the 1st week of June & will be travelling from mumbai. Can ull please suggest me the best economical place to visit spend good time together enjoying water sports on some island either in far east or indian ocean.
Please friends need some suggestions so I can book early to get the best bargains.

Regards,
Suraj