European Football Statistics - Domestic league and cup statistics for Portugal including attendances.
Footiemap - Map of top tier Portuguese football club stadiums.
Colours of Football - Portugal football shirt images.
Abola.pt - Online version of the Portuguese football newspaper.
Desporto - Online Portuguese sports magazine covering various sports including football.
EuroCupsHistory - List of Portuguese football clubs in the UEFA Champions League.
Europlan-Online - Stadium photos and general data about Portuguese soccer in an online European Football Magazine.
Fedefubol.net - Summary of Portuguese football including league and cup details (archived).
FIFA.com - Details of Portugal on the FIFA official website, including national league standings.
Federação Portuguesa de Futebol - The official website of the Portuguese Football Federation.
FootballPortugal.com.pt - Contains a useful news archive of Portuguese soccer.
Footballzz.co.uk - ZeroZero provides details of the stadiums (including photos and maps) of clubs that have participated in the higher tiers of the Portuguese leagues (use can be made of a stadium search facility).
Futebol Local - This Blog provides details of clubs participating in the Portuguese regional leagues and reference should also be made to "sister blogs" titled Futebol Saudade and Futebol Amador.
Futebol Total - This Blog provides a superb listing of Portuguese national (4 tiers) and regional league constitutions from 1906/07 to 2012/13.
LigaPortugal - Website of the Liga Portuguesa de Futebol Profissional.
Maisfutebol.iol.pt - Portuguese football news resource.
O Jogo - Online Portuguese soccer portal.
PortuGOAL.net - Website covering Portuguese football including the national team.
Portuguese Futebol.com - Portuguese soccer forum.
Portuguese Soccer News Links - A resource covering Portuguese football that also has a Blog site.
Record - Online Portuguese soccer magazine with coverage of Liga, 2.ª Liga, Taça Portugal, Taça da Liga, 2.ª Divisão and
Soccerpins.nl - A good collection of Portugal football logos.
Sindicato dos Jogadores Profissionais de Futebol (SJPF) - Official website of the Portuguese Players Union.
StadiumDB.com - Football stadiums in Portugal.
The Budget Airlines Guide to Football - Useful information to assist football travellers to Portugal.
UEFA.com - Details of Portugal on the UEFA official website.
VFL Vector Football Logos - Logos of Portuguese football clubs.
World Stadiums - Soccer stadiums in Portugal.
English Wikipedia - Listing of more than 140 Portuguese football logos.
Wikimedia Commons - Association football images in Portugal.
Wikistadiums.org - Portugal football stadiums guide and wiki.
World Football Organization - Football database for Portugal.