Sudiksha Konanki was traveling with six other female students in Punta Cana when authorities said she drowned in the ocean.
Authorities in the Dominican Republic say the deaths of a Pennsylvania psychotherapist and an American couple five days later at the same resort appear to be unrelated incidents.
Joseph Allen, 55, of Avenel, New Jersey, was found dead in his hotel room at Terra Linda in Sosua on the morning of June 13.
The couple died of respiratory failure and pulmonary edema, according to a statement from the country's police.
While officials say the Staten Island woman died from a sudden heart attack, her son says he doesn't believe it, saying she would still be alive if she never went to the country.
Another American died during a stay in the Dominican Republic, the U.S. State Department confirmed on Wednesday.
