People participate in the 36th annual Mermaid Parade in Coney Island on June 16, 2018 in New York City.

A man dressed as a polar bear walks into the ocean during the annual Coney Island Polar Bear Club New Year's Day swim January 1, 2016 in Brooklyn, NY.

People in bathing suits run into the ocean during the annual Coney Island Polar Bear Club New Year's Day swim January 1, 2016 in Brooklyn, NY.

People participate in the annual Coney Island Polar Bear Club New Year's Day swim January 1, 2016 in Brooklyn, NY.

Swimmers run into the water of the Atlantic Ocean during the Coney Island Polar Bear Club New Year's Day Plunge on Coney Island Beach in Brooklyn, New York City, New York, U.S., January 1, 2018.
A person dressed in a Santa suit runs into the Atlantic ocean during the annual Polar Bear plunge at Coney Island in New York, New York, U.S., January 1, 2020.

Swimmers run into the water of the Atlantic Ocean during the Coney Island Polar Bear Club New Year's Day Plunge on Coney Island Beach in Brooklyn, New York City, New York, U.S., January 1, 2018.
People jump into the Atlantic Ocean during the annual Polar Bear Plunge on New Year's Day in Coney Island on January 1, 2019 in New York City.
People run into the Atlantic ocean during the annual Polar Bear plunge at Coney Island in New York, New York, U.S., January 1, 2020.
People run into the Atlantic ocean during the annual Polar Bear plunge at Coney Island in New York, New York, U.S., January 1, 2020.
A man wearing a polar bear hat puts on his shirt after participating in the annual Polar Bear plunge at Coney Island in New York, New York, U.S., January 1, 2020.