SmashMC
Onlineplay.smashmc.coJavaVelocity 1.7.2-1.21.10Pixelmon
264 / 500 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an active 1.21 server, then copy the IP and connect with a matching client - joining with the right version avoids the "outdated client" error.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 25–36 of 163 servers
Stoneworks
Onlineplay.stoneworks.ggJavaVelocity-CTD 1.21-26.1.2Roleplay
290 / 550 players
Blocaria
Onlinebest.blocaria.netJavaVelocity 1.7.2-1.21.11Survival
228 / 2,000 players
SunnySMP
Onlinesunnysmp.netJava1.21.11Survival
228 / 1,000 players
Poke Legends
Onlinemc.poke-legends.comJavaVelocity 1.7.2-1.21.10Modded
217 / 9,000 players
CosmicPrisons
Onlineplay.cosmicprisons.comJavaVelocity 1.7.2-1.21.11Prison
195 / 500 players
MineCrew
Onlinesmp.minecrew.orgJavaPurpur 1.21.11Survival
167 / 250 players
ZedarMC
Onlineplay.zedarmc.comJavaVelocity-CTD 1.21-26.1.2Survival
155 / 300 players
Bedwars Practice
Onlinebedwarspractice.clubJavaBungeeCord 1.8.x-1.21.xBedWars
144 / 1 players
Loka
Onlineplay.lokamc.comJavaVelocity 1.7.2-1.21.11Factions
171 / 1,000 players
9b9t
Online9b9t.comJava9b9t 1.21.11Anarchy
133 / 200 players
Lord of the Craft
Onlinemc.lotc.coJavaWaterfall 1.21.0 - 1.21.5Roleplay
155 / 1,000 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.