One barometer of the plunge in excitement has been the sale of Obama-themed T-shirts, which designers had been banking on after the craze of last year. Clothing labeled with the president's name sold by the thousands, helping to salvage a tough economic year for the island.

But this year's T-shirt sales are much less brisk, merchants say.

"Last year, Obama gave you goose bumps, but I don't think you're going to see that this year,'' said Alex McCluskey, co-owner of the Locker Room, who sold more than 4,000 "I vacationed with Obama'' T-shirts last year. But so far this year, he said, his hot item is T-shirts of former President Bush asking, "Miss me yet?''