Recently, Post Aruba issued two series of stamps, each containing a lighthouse stamp. The first one, in the Aruban Monuments series, pictures the Fort Zoutman Lighthouse and was issued on 16 Oct 2015. The second one was issued on 13 Nov 2015 as part of the Aruban Tourist Spots series and features California Lighthouse.
Fort Zoutman L/H | 16 Oct 2015 - Image source: Universal Postal Union
California L/H | 13 Nov 2015 | J6330 | Image source: Universal Postal Union
View other lighthouse stamps from Aruba here