Just read this :-

"Cheers! The always generous and giving Sea World Parks & Entertainment is offering FREE admissions to UK tourists who have been left stranded in Orlando, Florida due to the volcanic ash blanketing the skies overseas. The offer is valid starting Saturday, April 17th at Sea World Orlando, Busch Gardens Tampa, and Aquatica Water Park.

Stranded toursists must present to the parks’ front gate Guest Services window a valid return airline ticket, dated Wednesday, April 14 through Wednesday, April 21, or until normal flight schedules resume. One ticket will be offered at each park for each return flight ticket presented."

on the orlando official ticket center website