East Hampton Town police were out patrolling Montauk's vibrant party scene Saturday night, making sure bar crowds remained orderly and in compliance with municipal codes.

East Hampton officials were trying to keep a clamp on large crowds after 400 people were issued citations -- for public urination, drunkenness and other offenses -- during the July Fourth weekend.

"It's fairly busy but nothing out of the ordinary," Michael Sarlo, East Hampton police chief, said Saturday night.

On Friday night, three people were arrested, one on charges of driving while intoxicated and two on charges of possession of a controlled substance, Sarlo said. Twelve summonses for such violations as open alcohol were issued Friday night, he said.

On Saturday officers could be seen roaming parking lots and observing visitors and vehicles.

Lucas Flast, 23, a Belgium native temporarily working in Manhattan as a software engineer, caught the train to Montauk from Penn Station with his buddies.

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Where he's from, adults freely walk the streets with alcohol in hand, drinking as much beer as they want, Flast said.

He said East Hampton police should let visitors consume as much alcohol as they please until patrons start misbehaving.

"There has to be a balance, at some point you have to draw the line," Flast said.

After the July Fourth chaos, overtime was authorized for police, code enforcement and fire officials to monitor and respond to problems at downtown bars and restaurants that attract young, and sometimes disruptive, summertime visitors to the hamlet.

Saturday afternoon, the beach was packed with sun bathers and the popular Sloppy Tuna bar was loud and barely walkable.

Montauk was much quieter Friday night, with even the biggest bars not drawing crowds.

Huntington resident Scott Cooperstein, 28, is a summer resident of Montauk whose parents have had a house there for 20 years.

He said he was glad the cops were cracking down, adding the past few years the crowds have been "raunchy, and dirty, and disgusting."

Of the people who have overrun the place, he said: "I'm hoping in a year or two, this gets old."

With Stacey Altherr