Wikipedia: Sega SG-1000
- Information on the Sega Game 1000 includes history, emulation, and versions.
- http://en.wikipedia.org/wiki/SG-1000

MobyGames - Sega Master System
- List of games with screen shots and reviews.
- http://www.mobygames.com/browse/games/sega-master-system/

SMS Tributes
- Offers game database, cheats, screenshots, reviews, and downloads.
- http://www.smstributes.co.uk

The RetroVault
- Offers cheats, downloads, and images.
- http://www.retrovault.com

JAG's Video Game Zone: Sega Master System
- Offers game, hardware and advertisement images and reviews plus system specifications.
- http://www.emucamp.com/jagsvgz/systems/sms/

SMScene
- Reviews, technical information, emulators, game midi files, scans, ROMs, FAQs, cheats, lists, guides, history and links.
- http://www.emucamp.com/smscene/smscene.htm

GameFAQs: Master System
- FAQs, codes, message boards, reviews and game data.
- http://www.gamefaqs.com/console/sms/index.html

UK Sega Master System Page
- History, information, specifications, a FAQ, and links.
- http://www.severedbbs.u-net.com/fletcher/SMS.html

Richard's Sega Master System Collection
- Personal collection, accessories, action replay codes.
- http://members.citynet.net/ges/smspage.html

Sega Master System Museum
- Game screen shots, user reviews, FAQs, hardware information and images, magazine ads, japanese game ad movies, personal collection, links.
- http://alexkidd.com

SMS Power
- News, ROMs, old releases, forum, and links.
- http://www.smspower.org/