I hope you find the following useful. They are not in any particular order.

Alcudia Marina

Majorca Daily Bulletin

Alcudia Port Area Street Map

Mallorca Tourism Council

Mallorca Golf Connection

Weather Forecast & Monthly Averages for Alcudia

Mallorcaweb

Palma City Council

Alcudia Town Council

Under The Weather?

Useful Local Phone Numbers

Mallorca Restaurants Guide

s'Albufera Nature Reserve

Carjet Car Rental Website

DoYou Spain Car Rental

Rentalcars.com

Hidro Park Water Complex

The Alcudia Guide Website

Wind & Friends Alcudia Windsurfing & Sailing