r/Mariners↗
Seattle Mariners 🔱
Reddit's home for fans of Seattle Mariners baseball. Hi Jerry
117k subscribers934 posts / mo in Sep 2026 (incl. ~9% by known bots)534 authors / mosince 2010
r/Mariners has 117k members (+12% over the last 12 months). It gets about 934 posts a month from 534 people. Top topics: Mariners Trades and Prospects, Seattle Mariners Updates and Seattle Mariners Fan.
When to post on r/Mariners
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How r/Mariners has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Mariners
Top topics
Share of the subreddit's posts
- Mariners Trades and Prospects6.3%
- Seattle Mariners Updates6.2%
- Seattle Mariners Fan4.0%
- Mariners Fan Forum2.4%
- Post Game Chat2.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- FanGraphs
- reddit-stream
- The Seattle Times
- MLB Trade Rumors
- MyNorthwest
Everything else about r/Mariners
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research