The ceremony began with a ribbon cutting at Luna Park, where the new ride replaced the original wooden Thunderbolt.
Marcell Dockery, 16, faces second-degree murder, arson, assault and reckless endangerment charges.
The Coney Island boardwalk and beaches all around were buzzing Sunday.
Coney Island was among the many local beaches and boardwalks that was open for business this Memorial Day Weekend.
At a ceremony Thursday morning, officials announced city beaches will open at 10 a.m. Saturday for the Memorial Day weekend.
Dozens of NYPD officers lined up outside Weill Cornell Medical Center clapped as Officer Rosa Rodriguez was released after spending six weeks in the hospital.
Sunday was set to be the last night in the hospital for a police officer who nearly died in a high-rise fire on Coney Island.
Rosa Rodriguez, 36, is set to be released from the hospital on Monday, CBS 2 reported.
Thousands of cops lined the streets at Officer Dennis Guerra’s funeral at the St. Rose of Lima Roman Catholic Church in Rockaway Beach, Queens.
At Luna Park on Sunday, Italian tycoon Alberto Zamperla christened the first ride on the Cyclone roller coaster by dousing it with the traditional egg cream.
Marcell Dockery, 16, was indicted by a grand jury on a charge of second-degree murder Friday afternoon.
Flags are at half staff as the city mourns the loss of Officer Dennis Guerra, who died after being critically hurt in a fire on Coney Island.
Mayor Bill de Blasio ordered all flags lowered Wednesday in honor of NYPD Housing Officer Dennis Guerra.
Marcell Dockery, 16, was arrested Monday after police said he confessed to setting a fire Sunday on the 13th floor of a residential high-rise on Surf Avenue.
Marcell Dockery is charged with assault, arson and reckless endangerment, police said. He lives on the 12th floor of the residential high-rise on Surf Avenue where the fire broke out Sunday, police said.