2b2u
Online2b2u.netJavaWaterfall 1.8.x, 1.9.x, 1.10.x, 1.11.x, 1.12.x, 1.13.x, 1.14.x, 1.15.x, 1.16.x, 1.17.x, 1.18.x, 1.19.x, 1.20.x, 1.21.x, 26.1.xAnarchy
14 / 100 players
Minecraft 1.21 Servers
Looking for a server that runs Minecraft 1.21? ServerBuddy tracks 163 multiplayer worlds on the 1.21 release line, each one verified against a live server-list ping. Sort by players, uptime or recent activity to find an active 1.21 server, then copy the IP and connect with a matching client - joining with the right version avoids the "outdated client" error.
Showing 73–84 of 163 servers
AntiAC
Onlineantiac.netJavaVelocity 1.7.2-1.21.11PvP
20 / 100 players
Riot Block MC Prison
Onlineplay.riotblockmc.comJavaVelocity 1.7.2-1.21.11Prison
17 / 500 players
PokeKingdoms
Onlineplay.pokekingdoms.comJava1.21.1Modded
17 / 150 players
Minecraft Country
Onlineplay.minecraft.countryJavaUniverseSpigot 1.21.11Survival
19 / 32 players
MirageCraft Cobblemon
Onlinecobble.miragecraft.netJava1.21.1Modded
16 / 60 players
Element Animation
Onlineserver.elementanimation.comJavaElement Animation 1.21.11Survival
17 / 60 players
Pokecade
Onlinehub.pokecade.orgJavaVelocity 1.7.2-1.21.11Modded
11 / 2,000 players
5b5t
Online5b5t.orgJavaVelocity 1.7.2-1.21.11Anarchy
12 / 100 players
BloxMC
Onlinems.bloxmc.netJavaVelocity 1.7.2-1.21.11OneBlock
11 / 2,026 players
play.lksmp.funJavaVeloFlame 1.21.4-26.1.1Survival
9 / 100 players
MaplewoodMC
Onlineplay.maplewoodmc.comJavaVelocity 1.7.2-1.21.11Survival
14 / 200 players
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Good to know
Minecraft 1.21 Servers FAQ
Common questions about finding and joining servers in this collection.
How do I join a Minecraft 1.21 server?
Set your Minecraft launcher to a 1.21 profile, copy a server IP from the list above, then add it under Multiplayer. Matching your client to the 1.21 release line prevents version-mismatch errors when you connect.
Do 1.21 servers work with newer Minecraft clients?
Many 1.21 servers run cross-version proxies that accept a range of client versions, but the safest approach is to use a 1.21 profile. Each ServerBuddy card shows the exact version a server reports so you can check before joining.
Why should I pick a server on the 1.21 line?
The 1.21 line groups every patch in that release family, so it is the best way to find worlds that match the features and mods you want. ServerBuddy counts 163 servers on this line, ranked by genuine activity.