Looks like the security guard was a bit misinformed. A night wedding at Sleeping Beauty Castle, including reception, is a minimum of $180,000 and includes the following:
The Evening Sleeping Beauty Castle Wedding Ceremony in Disneyland Park must be held after Park hours during the week, in a non-peak season. The Ceremony includes décor, Chivari Chairs, the Crystal Coach, Major Domo, Fanfare Trumpeters, Harpist, 5 Bouquets, 5 Boutonnieres, Officiant, Sound, Lighting, and the use of Main Street Vehicles. The Small World Mall Reception includes a Reception DJ, White Dance Floor, Satin Linens & Napkins, Chivari Chairs, Centerpieces, Favors, and Lighting.
A morning wedding costs much less:
The Morning Sleeping Beauty Castle Wedding Ceremony in Disneyland Park must be held before Park hours during the week, in a non-peak season. The Ceremony package includes décor, Chivari Chairs, the Crystal Coach, Major Domo, Fanfare Trumpeters, Favors, Harpist, 1 Bouquet, 1 Boutonniere, Officiant, and the use of Main Street Vehicles.
Minimum cost - $62,200**
Still a heck of a lot of money, but not quite as bad as stated.