We had a Welcome Party at the GF marina prior to DD's Disney Wedding in December. We had a fruit & cheese platter, followed by a desert platter, coffee, tea, hot chocolate & soda for 11 people. We also had 1 Cinderella's slipper dessert for a center piece. We had a butler to serve us for 3 hrs ($50, well worth it) . He provided chairs & small tables & was available to get anything else we requested. We planned it for the evening from 8-11PM so we could enjoy Wishes at the end of the evening. We had a great view of the fireworks. Total price $350. If we had wanted the music from Wishes piped in, it would have cost about $300 extra I think.
While we had only light fare, you can order anything on the menu, from snacks to a multicourse meal w/champagne & there are a number of sites to choose from, both inside & outside the GF.
It was a lovely, relaxing way to start a very busy wedding week. I highly recommend it.