Here is some info from teh disney wedsite. this is to just get married at swan boat landing i think u may be looking for another place but others may want to look at it. its 28,000 for just the ceremony. I really whish I could do this but not in my budget.
Magic Kingdom Wedding park Ceremony 28,000
taking place at Swan Boat Landing in Magic Kingdom® Park, with Cinderella Castle as your backdrop, this once-in-a-lifetime event is the ultimate fairy tale celebration in a place where dreams really do come true!
Your Magic Kingdom® Park Wedding package** includes the following magical elements:
Ceremony at Magic Kingdom® Park at Swan Boat Landing beginning at 8am for up to 50 guests (based on limited availability please contact a Wedding Consultant for more details)
Transportation for guests from their Walt Disney World® Resort to the Magic Kingdom® Park and reception venue
Your guests will be transported down Main Street, U.S.A., via motorized cars, to Swan Boat Landing
A string quartet to play your musical selections
A Fanfare Trumpeter and Major Domo to announce the arrival of the bride in a horse-drawn Landau Coach
Ceremony floral and décor package for Swan Boat Landing
A Magic Kingdom® Wedding Ceremony Photography and Videography package by Disney Photography