What Tom is talking about is the State Pass. Thats for Giglo, Sorethumb, heather hills, and democrat point.
Smiths point beach is open I believe has currently reopened after nesting season. I would call smiths point and see what the cost is. this was after a quick google search but this was 2020
Quote:
Suffolk County Outer Beach Access Season Permit
Smith Point, Cupsogue, Montauk, Shinnecock East, Cedar Point, Northwest Harbor and Orient Point County Parks offer outer beach access opportunities to off-road vehicles. The Recreational Vehicle Use permit includes access to designated beaches as well as night fishing in designated parks.
The permit costs $100 a year for Green Key Holders and $250 a year for non-residents. A driver’s license, vehicle registration, and proper equipment are required to purchase a permit. Permits are available for purchase at West Sayville, Blydenburgh, Cathedral Pines, Cedar Point, Indian Island, Sears Bellows and Smith Point County Parks. In season, they are also available at Montauk, Cupsogue and Shinnecock East County Parks.
Outer Beach Access Daily Permit
Daily Outer Beach Access permits allows for one day of outer beach access at Smith Point, Cupsogue, Montauk, Shinnecock East, Cedar Point, Northwest Harbor, Orient Point County Parks.
The permits cost $33 a day for Green Key Holders and $44 a day for non-residents. A driver’s license, vehicle registration, and proper equipment are required to purchase a permit.
Get there super early especially with most of the beach closed due to plovers (stupid birds)