Thousands of fans lined the streets as players, coaches and team personnel rode floats from the southern tip of Manhattan through the financial district as confetti fluttered down from the high-rise buildings.
Super Bowl MVP Eli Manning and defensive lineman Justin Tuck headlined the main float with the Vince Lombardi Trophy, which the Giants captured for a fourth time with a 21-17 victory over New England on Sunday in Indianapolis.
Head coach Tom Coughlin, general manager Jerry Reese and co-owners John Mara and Steve Tisch were also part of the main float that included New York City mayor Michael Bloomberg and New York governor Andrew Cuomo.
The parade ended at City Hall Plaza, where Bloomberg, after declaring the city the "Big Blue Apple," presented the Giants with keys to the city.
Former Giants star Michael Strahan, part of the team's last parade four years ago following another Super Bowl win over the Patriots, helped Bloomberg fire up the crowd.
"Let's hear it for the 2012 Super Bowl champion New York Giants," Strahan bellowed.
Before the keys were presented, Coughlin addressed the crowd.
"Only, only could this happen in New York," the two-time Super Bowl-winning coach said. "This is the greatest city in the world and it's wonderful we've returned the Lombardi Trophy to where it belongs, right here in New York."
Some of the biggest cheers during the key presentations went for receivers Mario Manningham, whose 38-yard catch along the sideline ignited the winning drive in the fourth quarter, and Victor Cruz, who caught the first TD pass in the contest. Cruz, before he picked up his key, did a quick salsa dance with Strahan.
Tuck, who had two sacks in the Super Bowl, made a few quick remarks and credited his teammates for their hard work.
"We made it here by believing in each other -- offense, defense, special teams," he said. "I'm so blessed to have teammates that go to work every day. It didn't matter where the credit went. We didn't care. We cared about one thing -- those trophies."
Tuck also brought up running back Andre Brown, who led a few teammates in a song and dance. Brown sang "I got a ring" and his teammates would answer "We got a ring."
After the brief rendition, Tuck concluded by saying, "And I got two."
Manning was the last to be presented with a key and walked to the podium to chants of "MVP, MVP." He was also the last to speak to the crowd and echoed Coughlin's message throughout the season of "finish."
"Finish games, finish the fourth quarter and finish the season strong," Manning said. "A team that won six straight games to finish the season and finish the final game to win the Super Bowl trophy.
"Thanks to all who supported us and who never lost faith in us. We never lost faith in ourselves and congratulations to all of you."
After the New York City celebration, the Giants traveled across the Hudson River to their home in East Rutherford for another rally at MetLife Stadium.