Coastal communities want "selfish" Melbourne, Sydney and Canberra residents flocking to beachside boltholes to ride out the coronavirus pandemic to stay away.

Local mayors have warned their health services will be overrun if holidaymakers, turning up in increasing numbers in the lead-up to the Easter break, don't heed Prime Minister Scott Morrison's call for people to halt all unnecessary domestic travel.

Coastal towns are worried visitors could help spread the coronavirus, putting extra pressure on their health services. Credit:Kate Geraghty

Shoalhaven mayor Amanda Findley said it was "freaking ridiculous" that people were relocating to her local government area, a popular holiday spot for Canberrans and Sydneysiders.

"We don't have the resources to handle it if our population explodes with the disease," Ms Findley said. "We are seeing it all over towns and villages, people turning up and having a good time. It's been very visible.