By plane
South Padre Island is served by three airports, with daily service primarily to Dallas and Houston.
Valley International Airport
(http://www.flythevalley.com/), in nearby Harlingen, is served by Southwest Airlines, United Express, and Sun Country Airlines.Brownsville/South Padre Island Airport
(http://www.flybrownsville.com/) is served by American and United Express.McAllen Miller International Airport
(http://www.mcallenairport.com/) is served by American, United, and Allegiant Air.
By ship
There are no ferry boat services, but if you have your own boat, just point yourself to the place on the Gulf of Mexico where Texas meets Mexico and you're at South Padre Island! There's several marinas both on South Padre and at Port Isabel.
Sea Ranch Marina
offers transient slips on a space available basis (http://www.searanchmarina.net/)Anchor Marina Park
deep water slips on the Port Isabel side of the causeway (http://www.anchormarinapa...)
By bus
Catch the $2 Rio Transit bus from downtown Brownsville to its last stop in Port Isabel, and catch the free Wave from there. The Wave runs every half hour and takes you all over South Padre as far as the Visitors Center on the north end.
By car
Texas State Route 100 connects South Padre Island to the city of Port Isabel on the mainland, and continues on to meet US Route 77/83 between Harlingen and Brownsville. Texas State Route 48 links Port Isabel with Brownsville. If you will be landing at McAllen Miller International Airport, US Route 83 directly connects the airport to Texas State Route 100, passing through Harlingen en route.