Lost Sea
All offers (10)
Compare the platform, region and delivery before you buy.
Standard Edition 9 offers · EU & Global
- Lost Sea Steam CD KeyActivation keySteamGlobalLowest price€1.29+ payment feeView deal
- Lost Sea (PC) Steam Key - GLOBALActivation keySteamGlobal€1.32+ service feeView deal
- Lost Sea (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation keySteamGlobal€1.35no Plus, no ProtectView deal
- Lost Sea Steam Key GLOBALActivation keySteamGlobal€1.50+ fee possibleView deal
- Lost Sea Steam Key GLOBALActivation keySteamGlobal€2.40+ service feeView deal
Lost Sea Steam KeyActivation keySteamGlobal€2.61View deal
Lost Sea PCActivation keySteamGlobal€8.59View deal
Lost SeaActivation keySteamEurope€14.99View deal- Lost Sea Steam Gift GLOBALSteam giftSteamGlobal€18.26+ service feeView deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermany€14.99No feeView on Steam
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €0.993 Nov 2026
- Highest €1.3616 Oct 2026
- Today €1.29
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Lost Sea key: current price comparison
Where is the Lost Sea key cheapest?
The cheapest Lost Sea key that activates in the EU currently costs €1.29 at Kinguin. Keyfinder compares 10 offers from 8 shops for this price. That is 91% less than the Steam price of €14.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What does the Lost Sea key cost on each platform?
The cheapest key per platform right now: PC €1.29 at Kinguin and Xbox €12.71 at Eneba.
What was the lowest Lost Sea key price in the last 32 days?
€0.99 on 3 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €1.36 on 16 Oct 2026; today the cheapest key costs €1.29.
Which Lost Sea keys activate in the EU?
10 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam and Xbox.
How do I activate the Lost Sea key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a Lost Sea key from Kinguin?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.
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About Lost Sea
After a freak storm over the Atlantic, you find yourself stranded on the shores of a mysterious island. Do you have what it takes to escape the Lost Sea?
- Developer
- Eastasiasoft Limited
- Publisher
- Eastasiasoft Limited
- Release date
- 5 Jul 2016
- Steam
- View on Steam












