CHECK OUT THESE LINKS TO AMUSEMENT PARKS : 

http://www.mundomarbenidorm.com/
 
http://www.aqualandia.net/

http://www.terramiticapark.com/

http://www.terranatura.com/inicio/index.aspx
SHOW VENUE:
http://www.benidorm-palace.com/

BUS SERVICE ALICANTE AIRPORT TO BENIDORM. The buses leave just outside the terminal on the departure level, furthest to your right as you come out. There is one every hour, on the hour during daytime. If you arrive very early or late, checkon the site below (Alsa=name of the bus company that run these routes)
http://www.alsa.es/#capa_aeropuerto

Information about Altea in various languages : 

http://en.comunitatvalenciana.com/town/costa-blanca-altea-2

 http://en.wikipedia.org/wiki/Altea