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r/sea↗

🌊 r/Sea - Discovering Earth's Seas

🌊 Discovering Earth's Seas, Marine Biology, Technology, and Aquatic Topics in Space!

103k subscribers330 posts / mo in Sep 2026 (incl. ~1% by known bots)190 authors / mosince 2010

r/sea has 103k members (+214% over the last 12 months). It gets about 330 posts a month from 190 people. Top topics: Ocean Beauty, Ocean Waves and Beach Days.

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Size and growth

How r/sea has grown

r/sea

Subscriber growth

Subscribers over time

+214%in 12 months · +16% in 3 months · +1.3% in 1 month
Oct 2026103k
Growing103k subscribers
  • no data — drawn from 0 at creation (Dec 2010)
Live · through Oct 2026
r/sea

Monthly activity

Posts, comments and authors per month

−50%vs Sep 2025 · −14% last 3 months vs the 3 before
Sep 2026330
QuieterPeaked at 1.7k in Feb 2026
Sep 2026: incl. ~1% by known botsData through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/sea

Top topics

Share of the subreddit's posts

  1. Ocean Beauty7.7%
  2. Ocean Waves2.5%
  3. Beach Days1.6%
  4. Greece Sunsets & Beaches1.5%
  5. Beaches of North America1.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Pinterest
  2. Hive
  3. National Geographic
  4. Spotify

The full report

Everything else about r/sea

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