the world > the earth > land > land mass > shore or bank > seashore or coast > [adverb] > along (6)
By way of the coast, along the coast.
With reference to the land: along the coast; (also) further along the coast.
In or towards a location further along the shoreline, esp. in a southerly direction or following the direction of the water's current. Also: down…
Situated or travelling further up the coast.
Along the coast, coastwise.