Skip to content

r/thalassophobia↗

Thalassophobia

Less than 10% of the ocean has been explored. For more information see: https://reddark.untone.uk/

1.7M subscribers131 posts / mo in Sep 2026 (incl. ~1% by known bots)101 authors / mosince 2013

r/thalassophobia has 1.7M members (+4.7% over the last 12 months). It gets about 131 posts a month from 101 people. Top topics: Thalassophobia Fear, Ocean Fears and Ocean Adventures & Oddities.

Free report

When to post on r/thalassophobia

You've used today's free reports

Visitors without an account can open 3 subreddit reports a day. The best time to post on r/thalassophobia, removal risk and the rest of the report are one step away.

Size and growth

How r/thalassophobia has grown

r/thalassophobia

Subscriber growth

Subscribers over time

+4.7%in 12 months · +1.5% in 3 months · +0.2% in 1 month
Oct 20261.7M
Growing1.7M subscribers
Data since Mar 2018Live · through Oct 2026
r/thalassophobia

Monthly activity

Posts, comments and authors per month

−12%vs Sep 2025 · +5.3% last 3 months vs the 3 before
Sep 2026131
QuieterPeaked at 1.2k in Oct 2021
Sep 2026: incl. ~1% by known botsData through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/thalassophobia

Top topics

Share of the subreddit's posts

  1. Thalassophobia Fear3.2%
  2. Ocean Fears1.7%
  3. Ocean Adventures & Oddities0.5%
  4. Whale Encounters0.5%
  5. Ocean Depths0.5%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Ko-fi
  2. Tenor
  3. GIPHY
  4. ResearchGate
  5. Wikimedia

The full report

Everything else about r/thalassophobia

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