Steve's Sssssecret birthday bash

Planning a surprise party for Steve - he won't see this of course. Wanting his friends to arrive for a bit of food and drink, in the afternoon but have no space for them to stay over. What should I do?
When will your big day start and end: 
Friday, April 25, 2014 (All day)
Where is your big day at: 
Aysgarth
United Kingdom