About 6am officers from the Gangs Squad, Strike Force Raptor, the Public Order Riot Squad and police from Tuggerah Lakes and Brisbane Water Local Area Command, executed 11 simultaneous raids across the coast during an operation targeting outlaw motorcycle gangs.
Search warrants were executed by police on both ends of the coast, including three at The Entrance.
There were also raids at Tumbi Umbi, Forresters Beach, Terrigal, Buff Point, Bateau Bay, Mannering Park, Niagara Park and Warners Bay.
Seven people were arrested, including five members of the Rebels Outlaw Motorcycle Gang and two associates.
Police are expected to lay charges and issue court attendance notices as a result of the operation.
During the raids police seized multiple firearms, including an unregistered .22 calibre rifle, .177 calibre rifle and a .177 calibre pistol, as well as a quantity of ammunition.
Officers also found a quantity of cannabis, steroids, cocaine and amphetamines, 80 oxycontin tablets, $10,700 in cash and a number of other prohibited weapons including a stun gun, laser pointer and slingshot.