Few, if any, experts expect the frenzy to subside in the immediate future.
John Puchalla, an analyst with Moody's Investors Service, predicts Universal's attendance will continue climbing by 15 percent or more through the first half of 2011. He expects it will turn slightly negative in the second half of the year — but only because Universal will be facing tough comparisons against this year's grand-opening crowds.
"We believe the attendance lift generated from the June 2010 opening of [Wizarding World] will continue for the next several years," Puchalla wrote in a research note last month.
Still, amid all the attention being paid to Potter and Islands of Adventure, Universal is taking steps to prop up Universal Studios, which is the resort's original theme park and was, until Wizarding World opened, its busiest. The resort's lowest-priced annual passes for 2011 prohibit entry to Islands of Adventure over the summer — but permit admission to Universal Studios.
Executives have also begun discussing how and when to add to Wizarding World. Among the debates: whether to add something more to Universal Studios first.
Puchalla expects Universal to spend about $80 million on construction in 2011. Though that would be significantly less than the $105 million a year it averaged from 2007 to 2010 — when it built Wizarding World in Islands and Hollywood Rip Ride Rockit and The Simpsons Ride in Universal Studios — it would still be about twice the annual capital spending that Universal averaged during the middle part of the decade.
Although they won't discuss specific plans, Universal executives say additions to Wizarding World will happen at some point. The resort's licensing contract with Warner Bros. requires it to incorporate elements from the final Potter films, the last of which will open in theaters in July.
"We intend to very gladly live up to all those commitments," Sprouls said.