[dc-zoo]

It's unlikely they have multiple cell towers on an island that's only nineteen miles long and six miles wide.

[maggief]

http://www.digicelaruba.com/about/

Digicel raised the bar where acceptable levels of network coverage were concerned. By installing some 15 cellular towers throughout the Island, Digicel offers 90% population coverage thus firmly establishing itself as the Number One GSM mobile provider in Aruba.

[stlnative]

There are at least 15 cell towers on the island - this is now known from doing some research.

[the Deejay]

It's unlikely they have multiple cell towers

Think so, too. The nearest one may be in Caracas.