Your filters
Game Subnautica
Edition Standarddefault
Platform Steam
Max price Any
Region USguess
Sellers All sellersdefault
Subnautica cover art
Images: Steam store, © respective publishers.

Buy Subnautica Steam key: price, key type and region

Standard edition · Steam

Looking for Subnautica on PC (Steam)? As of 3 hours ago, our Cheapest pick for a Standard key in US comes from a marketplace (fees not confirmed). Risk labels on the lowest offer: grey market key; region check needed; trust tier C. Commission never changes which offers we pick or the order of the list. Read how we rank for the full method.

How we rank · Prices checked 3 hours ago.

Prices in USD (from your saved setting). Converted prices are marked approx. (example rates dated 2026-10-30).

Cheapest Standard
$6.35Fees not confirmed, approx.
Kinguin Marketplace (grey market)
EU keyKey
ASKLOOT5% off
Applied at checkout. Max cart EUR 150. 2 uses per user or IP.
Marketplace: you buy from an independent seller on Kinguin. EU key: activation in the US is not confirmed.
Trust tier CChecked 3 h ago
Safest good deal Standard
$26.99Fees not confirmed
GamersGate Official store
Key
ASKLOOT1010% off
Applied at checkout. Some games excluded.
Official PC store. Key region not stated by the seller: check the store page before you buy.
Trust tier AChecked 11 min ago

We may earn a commission when you buy through our links. Commission never changes which offers we pick or the order of the list. How we rank

Official sellers vs keyshops for Subnautica

Lowest price with known fees added from official sellers (the same set as the Official only filter) and from keyshops. Commission never changes which column is which.

Official sellers

$26.99

GamersGate (Official store)

Keyshops

No live keyshop offer

No keyshop offer is live for this edition and platform right now.

All offers (cheapest total first)

SellerKeyListedTotalActions
Kinguin
Marketplace (grey market)Tier C
ASKLOOT5% off
Applied at checkout. Max cart EUR 150. 2 uses per user or IP.
Checked 3 h ago
EU Key$5.17$6.35
Fees not confirmed
approx.
DetailsGo
Kinguin
Marketplace (grey market)Tier C
ASKLOOT5% off
Applied at checkout. Max cart EUR 150. 2 uses per user or IP.
Checked 3 h ago
Global Key$5.25$6.41
Fees not confirmed
approx.
DetailsGo
Kinguin
Marketplace (grey market)Tier C
ASKLOOT5% off
Applied at checkout. Max cart EUR 150. 2 uses per user or IP.
Checked 3 h ago
ASIA Key$6.69$8.16
Fees not confirmed
approx.
DetailsGo
GamersGate
Official storeTier A
ASKLOOT1010% off
Applied at checkout. Some games excluded.
Checked 11 min ago
Key$29.99$26.99
Fees not confirmed
DetailsGo
Gamesplanet
Official licensed distributorTier A
Checked 15 min ago
Global Key$26.99$26.99
Fees not confirmed
DetailsGo

Subnautica facts

  • Release dateJan 23, 2018
  • PlatformsPC (Steam) and Xbox
  • Editions
    • Standard

Minimum PC requirements

OS
Windows Vista SP2 or newer, 64-bit
Processor
Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent
Memory
4 GB RAM
Graphics
Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark
Storage
20 GB available space

Source: store page, checked Oct 28, 2026

Totals add the known service fees and payment fees for the selected payment method; offers without them are flagged. Optional buyer protection is not included.