The once quiet and classy Hamptons hotspot where a designer was found dead on a yacht has become packed with party-going 'spoiled' rich kids who have invited chaos to the area, locals say.

Long time residents of Montauk - at the easternmost tip of Long Island - believe the death of 33-year-old Martha Nolan-O'Slattara exemplifies the area's out-of-control party culture.

The coastal community used to be close-knit and peaceful - until social influencers flung it into the spotlight.

'It’s absolutely changed,' a marina operator who has lived in Montauk his entire life, told Fox News Digital. Fox News Digital.

'Social media put Montauk on the map. It used to be a fishing village… now it’s a very happening place.'