However, you can eliminate all these sorts of things, to be able to have a hustle-free wedding, just obtain the wedding & honeymoon package, which the hotel takes care of all your documentations, again you pay for the legal fees (read my article "Planning A Destination Wedding"), which obviously is very common to all other countries around the world. You have your choice, to pay the legal fees and they ensure all the documentations ready or you apply and process yourself.
Take note: Both couple are still required to visit the Civil Registrar's Office for the signatures from both of you.
But when we finalized our wedding @ Le Canonnier, it was 1 month before our wedding, we were asked to forward the 2 photocopies or scanned copies of each our passports (first 3 pages) and also 2 copies birth certificates, for wedding application purposes.