Wall Street private equity manager Rohina Bhandariwas killed by a tiger shark while diving with a group off a Costa Rican island, according to officials.

Bhandariwas, who lived in the Upper East Side, suffered fatal bites to both her legs Thursday while off diving with a group near Cocos Island, a national park about 300 miles off the Costa Rican mainland, the environment ministry said in a statement.

Bhandari was a senior director at WL Ross & Co. LL, a firm founded by Commerce Secretary Wilbur Ross, and often attended New York City charity events.

The death of the vibrant brunette came to a shock to her friends.

“Unbelievably sad and heartbreaking news that Rohina has died,” posted Julie Walker, one of her Facebook friends.

“She was such a wonderful person who loved life. I will always remember her kindness, friendship and our adventures together.”

Tiger sharks are predators often found around Pacific islands.

According to a report in the local La Nacion, it was the group’s diving guide that noticed the shark approaching underwater and tried to scare it away.

But as they surfaced, the shark swam directly at Bhandari and began biting her legs.

The guide tried to assist, and also got bitten, according to the report.

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