My hubby and I went there for both our honeymoon and one year anniversary and all I have to say is this place is so awesome. Last time we were there we saw a wedding ceremony and reception and it was beautifully set up. I know that the service is amazing so I can imagine it would be a great choice if someone is looking to do a dw there. Here is the website
Puerto Vallarta, Mexico Resort - Grand Velas Resort & Spa – All Inclusive Luxury. I have no clue how much they charge for weddings, but the food and service were excellent.