The excitement was electric and so many were smiling.
"It's great to see the crowds come in to support the Yankees because we loved the Yankees," vendor James said.
They are also no longer checking your vaccine status after Governor Cuomo lifted restrictions this week.
"It's been a long time; the city has been through a lot. This was the epicenter of the world for a while so to see NYC back and Yankee Stadium at 100 percent, it's definitely special," Manhattan resident Nick Aynilian said.
The Mass Vaccination Site at Yankee Stadium will be moving to the FedEx Banquet and Conference Center.
The Mets separately announced Citi Field will be going to 100% capacity starting with their double header Monday against the Braves.
US Open tennis tournament to allow 100% fan capacity this summer
Meantime at Madison Square Garden, they too will start hosting full-capacity events this weekend, starting with a Foo Fighters concert on Sunday night.
Attendees will not need to wear a mask, but they will need to show proof of full vaccination since it is an indoor event.
The full-capacity events in New York come as New Jersey marks its own milestone.
Governor Phil Murphy is holding an event today celebrating the fact that the state has hit its goal of vaccinating 4.7 million people two weeks early.
Officials were hoping to reach that number by the end of this month.
ALSO READ | Despite NY milestone, some neighborhoods still mostly unvaccinated
MORE CORONAVIRUS COVID-19 COVERAGE
Mask guidance in the Tri-State area
New York City COVID-19 Vaccine Tracker
New Jersey COVID-19 Vaccine Tracker
How to get the vaccine in NYC, Tri-State area
Centers for Disease Control and Prevention on coronavirus
Submit a News Tip or Question