Madeira Wine Guide Non-commercial provider of information about Madeira's history, styles, grape varieties, producers, vintages, and winemaking.

Port Wine Appreciation Pages In-depth information on the production, storage, cellaring, serving etiquette and enjoyment of Port. Includes producer and vintage commentary.

Port Wine Institute Well-organized official resource includes history, viticulture, standards, and directories of bottlers and traders.

The Vintage Port Guide A personal guide to Port. Includes tips on storing and drinking, tasting notes and general information.

The Vintage Port Site Extensive information on Vintage Port, including history, serving tips, discussion forums, and a vintage database. From the Symington group of Port producers.