From Belfast: Take the M2 northbound out of Belfast, then follow the signs for Coleraine/Limavady onto the A26. After passing through Coleraine, head for Limavady on the A29.
From Derry/Londonderry: Take the A2 out of the city towards Limavady, following signs for the A2/Causeway Coastal Route.
From Portrush: Take the A2 towards Coleraine, then continue on the A26 towards Limavady.
By rail: There is no train station in Limavady, but the closest station is Coleraine. Trains from Belfast and Derry/Londonderry stop here, and there is a regular bus service from Coleraine to Limavady.
In terms of local landmarks, you could take the scenic Causeway Coastal Route, which passes through Limavady on its way between Belfast and Derry/Londonderry. Alternatively, if you're in the heart of the Causeway Coast and Glens area, the historic town of Ballymoney is just a short drive away from Limavady.