Baseball Reference
- Comprehensive historical statistics for each player. Also offers career registers and leader boards.
- http://www.baseball-reference.com/teams/SEA/

Baseball Almanac
- Historical research concerning the organization that includes a record book, rosters, uniform numbers and award winners.
- http://baseball-almanac.com/teams/mari.shtml

Wikipedia
- On-line, hyperlinked encyclopedia that offers season records, facts, historical information and photographs.
- http://en.wikipedia.org/wiki/Seattle_Mariners

Mariners Mania
- Provides forum, weblogs, photographs, articles, polls, roster, schedule, scores, history and statistics.
- http://www.marinersmania.com/

Mariner Optimist
- Weblog that features webmaster commentary on current team news and issues.
- http://marineroptimist.blogspot.com/

U.S.S. Mariner
- Message board team and general baseball discussion.
- http://www.ussmariner.com/