East Setauket features a mix of opportunities for walking, with some areas being more accessible than others. The region includes parks and trails, such as Avalon Park and Preserve and Frank Melville Memorial Park, which provide pleasant walking environments. However, the suburban layout and distances between key destinations may make walking less practical for errands or commuting. Sidewalks and pedestrian infrastructure are present in some areas, but they may not be consistent throughout the town. Seasonal weather, including cold winters and humid summers, can also influence the comfort of walking as a primary mode of transportation.

Biking in East Setauket is a practical option in certain areas, thanks to its mix of suburban and natural landscapes. The region includes some bike-friendly paths, such as trails and quieter residential streets, which can provide a pleasant riding experience. However, the availability of dedicated bike lanes or extensive biking infrastructure may vary, and some main roads could present challenges due to traffic. The area’s distances between key destinations may also influence the convenience of biking as a primary mode of transportation.

Public transit options in East Setauket are primarily provided by Suffolk County Transit buses, which connect the area to nearby locations. The S60/S69 bus routes provide access to neighboring towns, including Stony Brook. While public transportation is available, the region’s suburban layout may make it less convenient for reaching some destinations directly. Walking distances to bus stops and the frequency of service could influence its practicality. Additionally, the Long Island Rail Road (LIRR) offers train service from nearby Stony Brook Station, which can be useful for longer trips.

Ferries are a transportation option near East Setauket, particularly through the nearby Port Jefferson ferry, which connects to Bridgeport, Connecticut. Operated by the Bridgeport and Port Jefferson Steamboat Company, this ferry runs hourly and accommodates pedestrians, cars, and bicycles. The journey typically takes about one hour, making it a practical choice for cross-sound travel. However, the ferry primarily serves as a regional connector rather than a local transit option within East Setauket. Accessibility to the ferry terminal and weather conditions may influence its suitability, especially for those relying on local infrastructure to reach the port.