According to forum posts, historical sites like Sagamore Hill, Old Westbury Gardens, and museums such as the Cradle of Aviation and the Nassau County Museum of Art are highly recommended. These sites offer a glimpse into Long Island's rich history and cultural heritage.

Many users suggest visiting Long Island's famous beaches and state parks. Robert Moses State Park, Jones Beach, and Montauk are popular for their scenic beauty and recreational activities. Parks like Caumsett and Planting Fields Arboretum are also favored for their natural landscapes and walking trails.

Travelers have called out several picturesque towns worth exploring. Oyster Bay, Greenport, and Sag Harbor are noted for their unique shops, waterfront dining, and vibrant local culture, making them ideal for day trips.

For those interested in wine tasting and farm visits, the North Fork of Long Island offers numerous vineyards and farms, with Harbes Family Farm mentioned as a notable destination for seasonal activities.

Some travelers have mentioned using the Long Island Rail Road (LIRR) for transportation between Long Island and JFK. For instance, to get from Manhasset to JFK, one would take the LIRR to Jamaica Station and switch to the JFK AirTrain. Another route involves taking a local taxi or Uber to the nearest LIRR station, then taking the LIRR to Jamaica, followed by the AirTrain to JFK.

According to forum posts, Uber and other ride services like Lyft are available 24/7 and can be a convenient option for traveling between Long Island and JFK, especially during early morning hours or for those preferring door-to-door service. For those comfortable with driving, renting a car is also a viable option, with straightforward highway routes connecting Long Island to JFK.

Travelers have also discussed alternative methods like using local taxis or car services, which can be arranged through recommendations on local forums or through JFK's official website listing local car services. These options offer a more personalized travel experience, though costs can vary depending on the time and specific location in Long Island.