Minecraft 1.21’s biggest addition is the Trial Chamber, a special underground structure that offers an exciting challenge for all players. In this guide, I’ll provide you with a list of the top 20 best and most interesting Minecraft 1.21 seeds!
Minecraft 1.21: Top 20 Best Seeds for September 2025 20 – Jagged Peaks Mountain 
Screenshot by Gameskinny Seed: 5428247502997800210 Spawn: 0, 0 Biomes: Cherry Grove, Grove, Jagged Peaks, Plains, Snowy Slopes
Mountains are one of the safest places for Minecraft players to live. Their high peaks encircle their inner craters like natural stony walls, keeping out both enemy players and hostile mobs. In Bedrock Edition, players will find a small Plains Village and a ruined Nether portal hidden behind this mountain. Java players will have two Plains Villages located along the northeastern and southwestern sides of the mountain instead.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Jagged Peaks mountain: 0, 0Jagged Peaks mountain: 0, 0Cherry Grove: -38, -333Cherry Grove: -38, -333Plains Village 1: 83, -362Plains Village: 9, -231Plains Village 2: -326, 161Ruined Nether Portal: 6, -276 19 – Coral Reef Ruins 
Screenshot by Gameskinny
Coral Reefs only spawn in Warm Ocean biomes, making them a great biome to discover Warm Ocean Ruins in. This Coral Reef is home to several clusters of Warm Ocean Ruins as well as a handful of shipwrecks. With so many ruins available, you’re practically guaranteed to find a pair of Sniffer Eggs! Lucky players will find a few blocks of moss in one of the reef’s shipwrecks. Place them on the ground, then place the Sniffer Eggs on top of them to help them hatch faster.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Desert Village: 577, 560Desert Temple: 633, 538Small Warm Ocean Ruins: 493, 467Warm Ocean Ruin Cluster: 508, 690Shipwreck: 421, 684Shipwreck: 521, 812Small Warm Ocean Ruins 2: 771, 734Warm Ocean Ruin Cluster 2: 662, 803 18 – Triple Trail Ruin Taiga 
Screenshot by Gameskinny
This large Old Growth Taiga is home to three separate Trail Ruins structures. The combination of the three ruins should let you get all of the archaeological items that can only be found by brushing the suspicious gravel in Trail Ruins. Since they are in relatively close proximity, I recommend building your base in the center of the Taiga and branching out to excavate each one.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Trail Ruins 1: 32, 62Trail Ruins 1: 31, 61Ruined Nether Portal: 35, 86Trail Ruins 2: 36, -164Trail Ruins 2: 35, -163Trail Ruins 3: -190, 158Trail Ruins 3: -190, 158Taiga Village: -386, 374 17 – Beneath the Desert’s Mangrove Swamp 
Screenshot by Gameskinny
Mangrove Swamps and Deserts are one of the best biome combinations in Minecraft. The Desert provides access to a variety of structures with helpful treasures, typically Desert Temples and Desert Villages. Meanwhile, the Mangrove Swamp contains important natural resources that don’t typically exist in large Deserts. It’s a perfect set of biomes that gives you everything you need to survive well in Minecraft. As a bonus, the area beneath these two biomes is home to four Trial Chambers, so you’ll have easy access to all of the exclusive loot found within them.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Trial Chamber 1: 279, -13, -199Trial Chamber 1: 279, -13, -199Trial Chamber 2: 297, -28, 105Trial Chamber 2: 297, -28, 105Trial Chamber 3: 713, -14, 46Trial Chamber 3: 713, -14, 46Trial Chamber 4: 535, -25, 551Trial Chamber 4: 535, -25, 551Desert Village: 167, -175Desert Village: 711, 118Desert Temple: 570, -278Desert Temple: -294, 89 16 – Ancient Badlands 
Screenshot by Gameskinny Seed: -2401735794934395880 Spawn: 9, -40 Biomes: Badlands, Deep Dark, Eroded Badlands, Wooded Badlands
If Ancient Cities are your preferred structure, this Badlands seed will be the Minecraft world of your dreams. There is not one, not two, but eleven Ancient Cities to find scattered within the giant Deep Dark biome beneath this arid biome. Several of these cities intersect with a Dripstone Cave biome, while the rest stick solely to the Deep Dark.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Ancient City 1: 32, -45, 181Ancient City 1: 224, -45, 133Ancient City 2: 437, -45, 64Ancient City 2: 400, -45, 218Ancient City 3: -688, -45, 565Ancient City 3: 96, -42, 567Ancient City 4: 150, -42, 400Ancient City 4: 112, -42, 779Ancient City 5: 32, -42, 762Ancient City 5: 496, -42, 843Ancient City 6: 480, -42, 837Ancient City 6: 560, -45, 473Ancient City 7: 442, -42, 592Ancient City 7: 960, -45, 886Ancient City 8: 840, -42, 400Ancient City 8: 1,240, -42, 496Ancient City 9: 1,344, -42, 570Ancient City 9: 1,328, -42, 806Ancient City 10: 1,301, -45, 864Ancient City 10: 1,658, -45, 848Ancient City 11: 1,592, -42, 896Ancient City 11: 1,592, -42, 1,264 15 – Mushroom Island in Warm Ocean 
Screenshot by Gameskinny
It’s not every day that you’ll spawn on a coastline just a short swim away from a Mushroom Island. The coast is home to a Bamboo Jungle, so I recommend bringing Jungle saplings and bamboo with you to create a consistent supply of wood. There are plenty of Small Warm Ocean Ruins and shipwrecks around the island that can be looted for resources. Just make sure to bring a brush with you for a chance at getting Sniffer Eggs.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Plains Village: -462, -791Buried Treasure: -504, 50, -568Mushroom Island: 115, -208Mushroom Island: 115, -208Ruined Nether Portal: 134, 96Shipwreck: 123, -504Warm Ocean Ruin Cluster: -183, 328Warm Ocean Ruin Cluster: 183, -605 14 – Sunken Desert Temple 
Screenshot by Gameskinny
A Desert Temple has mysteriously sunk into the sands of this vast Desert. If it weren’t for its unique staircase-like roof and a nearby puddle of water, you wouldn’t know it was beneath your feet. Luckily, the hole in its roof is intact, so you can still drop directly into it. You’ll find a ruined Nether portal and a Pillager Outpost to the east of this Temple. There is also a Desert Village a short walk to the southwest.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Pillager Outpost: -173, 184Trial Chamber: 167, -29, 167Ruined Nether Portal: -285, 164Desert Village: 187, 250Sunken Desert Temple: -376, 123Ruined Nether Portal: 296, 250Desert Village: -471, 211Desert Temple: 362, 218 13 – Cherry Survival 
Screenshot by Gameskinny
In addition to being beautiful, this Cherry Grove has numerous untapped resources that make it a great place for survival players to live. Firstly, it has a Plains Village and a ruined Nether portal next to it on the surface. The ruined portal’s chest has enough obsidian to repair its frame and a flint-and-steel to light it. Secondly, the area beneath the grove is home to both an Ancient City and a Trial Chamber. These structures will give you access to a lot of unique items like the Silence armor trim.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Plains Village: 80, 16Plains Village: -300, 254Trial Chambers 1: 185, -13, 93Ruined Nether Portal: -338, 198Trial Chambers 2: -323, -23, 103Trial Chambers: -323, -23, 103Pillager Outpost: 121, 602Ancient City: -272, -42, 152
12 – Jungle Desert Border 
Screenshot by Gameskinny
A lush Jungle collides with a lively Desert in this 1.21 seed. The Jungle is home to a few newer structures, including a set of Trail Ruins and a Trial Chamber. In contrast, the Desert has structures that have been around for a long time, like a village and a Desert Temple. Players wanting to do a bit more archaeology will find a variety of Warm Ocean Ruins scattered around.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Trail Ruins: -163, 20Trail Ruins: -163, 20Jungle Temple: 4, 101Trial Chamber: 89, -26, 25Trial Chamber: 89, -26, 25Jungle Temple: 150, 200Desert Village: 269, 253Ruined Nether Portal: 205, -1Desert Temple: 314, 235Small Warm Ocean Ruins: 444, 436
11 – Desert Temple Beneath Badlands Village 
Screenshot by Gameskinny
Desert Temples next to hills look more like staircases than the structures they actually are. In this world, Bedrock players will spawn near a Desert Village on top of a hill. Next to the village is a Desert Temple that has merged with the ridge beneath the town. The Temple forms a small staircase leading up to the eastern half of the village. If you aren’t careful, you’ll wind up falling through the top of the temple while walking through the town.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Desert Temple: -356, -312Desert Temple: -294, -389Desert Village: -457, -260Desert Village: -314, -405Cave: -316, -352Cave: -316, -352
10 – Lush Pale Garden with Woodland Mansion 
Screenshot by Gameskinny
Woodland Mansions in Pale Garden biomes provide a unique challenge only found in Minecraft 1.21. With the recent addition of the Pale Garden’s Creaking mob, entering and exploring a mansion within this biome becomes a difficult task. You’ll need to navigate through the gloomy garden while avoiding or destroying any Creakings that spawn to make it to the mansion’s door. Once inside, you’ll then have to fight your way through hordes of enemies to claim the structure’s many treasures.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Lush Cave: 774, 700Lush Cave: 774, 700Woodland Mansion: 766, 720Woodland Mansion: 831, 321Ruined Nether portal: 803, 849Ruined Nether portal: 851, 112
9 – Cherry Forest 
Screenshot by Gameskinny
A large Forest fills the area around Spawn in this world. If you walk south and leave the Forest biome behind, you’ll be blessed with a vibrant Cherry Grove biome! It is fairly large and home to two villages and a ruined Nether portal in both versions of Minecraft. However, Java players will have a slight advantage because their second village contains a Blacksmith.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Ruined Nether portal: 216, 88Ruined Nether portal: 178, 20Plains Village 1: 153, 245Plains Village 1: 53, 219Plains Village 2: -150, 293Plains Village 2: -400, 204
8 – Frozen River Grove 
Screenshot by Gameskinny Seed: 8782047003850512308 Spawn: 285, -32 Biomes: Deep Dark, Frozen River, Grove, Snowy Plains, Snowy Taiga
An icy Frozen River divides this world into a Snowy Plains biome and a Snowy Taiga. Cross the river to find a Taiga Village containing plenty of crops, plus a weaponsmith’s chest with iron armor and an iron pickaxe. Take these materials to the cave at the edge of the village to find your first Ancient City. Use the items and ores found here to craft even stronger gear, then venture deeper into the Grove to explore two more cities.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Snowy Village: 866, -235Taiga Village: 270, 122Trial Chamber 1: 235, -21, 279Cave Entrance: 188, 143Ruined Nether portal: -252, 11Ancient City 1: 89, -42, 113Ancient City: -277, -45, 160Ancient City 2: -278, -45, 112Trial Chamber 2: -235, -28, 295Ancient City 3: -264, -42, -240
7 – Windswept Savanna with Mangroves 
Screenshot by Gameskinny Seed: 5505411036649382596 Spawn: -103, -718 Biomes: Coral Reef, Desert, Mangrove Swamp, Windswept Savanna
Wind blows harshly across this Desert, sweeping up a Savanna and a Mangrove Swamp and turning them into a large Windswept biome! The lower half of this biome is covered in water and mud, while the upper half is home to Savanna trees and grass. Players will also find a Coral Reef in the area behind their spawn. Explore the surrounding areas to find either a Desert Temple in Bedrock edition or a Desert Village in Java edition.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Coral Reef: -110, -670Coral Reef: -110, -670Desert Village: -392, -851Desert Temple: -341, -678Mangrove Swamp: -546, -953Mangrove Swamp: -546, -953
6 – Icy River Ruins 
Screenshot by Gameskinny
The two Snowy Taigas around Spawn are each home to their own set of Trail Ruins. You’ll find a set of snow-covered ruins in the smaller Taiga, while the larger one will contain Trail Ruins on the edge of a Frozen River. Excavate them carefully to avoid flooding them with the water hidden beneath the river’s icy exterior. If you excavate both structures, you’re guaranteed to gather some useful treasures from the past.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Trail Ruins 1: -415, 109Trail Ruins 1: -415, 109Trail Ruins 2: -686, 108Trail Ruins 2: -686, 108 5 – Pale Pillagers 
Screenshot by Gameskinny
A set of Pillagers has found their home in the Meadow Mountain next to this Pale Garden. Traveling past them to the set of mountains beyond that Pale Garden will lead you to two Ancient Cities, the second of which has a golden apple in a chest by the city’s central portal. If you don’t feel like fighting your way through life, you could settle down in the Pale Garden biome next to Spawn.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Pale Pillager Outpost: 232, 102Pillager Outpost: 167, 423Ancient City 1: 506, -42, 144Ancient City 1: 394, -45, 448Ancient City 2: 458, -45, 400Ancient City 2: 554, -42, 64
4 – Badland’s Trial Chambers 
Screenshot by Gameskinny
Every 1.21 Minecraft player needs a good Trial Chambers seed. This one takes place in a Wooded Badlands biome that neighbors a regular Badlands biome filled with Ancient Cities. Take on the Trial Chamber first to test your prowess and gather materials like enchanted books, then use those to craft stronger gear to take on the Ancient Cities and their Wardens.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Trial Chamber 1: 135, -29, 49Trial Chamber 1: 135, -29, 49Trial Chamber 2: 137, -32, 230Trial Chamber 2: 137, -32, 230Ancient City 1: 592, -42, -262Ancient City 1: 472, -42, -272Ancient City 2: 218, -45, -544Ancient City 2: 464, -45, 154
3 – Easy Ocean Ruins 
Screenshot by Gameskinny
Animal lovers will adore this Minecraft seed with a set of exposed Warm Ocean Ruins at Spawn. The Stony Shores around the ruins contain both iron and copper, allowing you to make a brush as soon as you find the ruins. I was able to get a Sniffer Egg from the very first ruin I excavated. Hopefully, your luck will be the same!
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Exposed Warm Ocean Ruin Cluster: 344, -182Buried Treasure: 344, 65, -120Shipwreck: 485, -276Ruined Nether portal: 353, -322
2 – Pale Garden over Mansion 
Screenshot by Gameskinny
Pale Oak trees grow on the roof of this Woodland Mansion. Since the Mansion has been generated partially inside a Pale Garden hill, the Lush Cave underneath it has clipped into its many rooms. You’ll find glow berries, moss, vines, and even small flowering azaleas in most rooms on the Mansion’s right side.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Plains Village: 244, 920Ruined Nether portal: 237, 649Ruined Nether portal: 1, 819Woodland Mansion: -694, 734
1 – Survival Speedrun 
Screenshot by Gameskinny
Sometimes, you just want to get to the End as fast as possible to unlock an Elytra. The generation in this world is perfect for Bedrock players who feel this way due to several Plains Villages, a nearly complete Nether Portal, and a Stronghold not too far from Spawn. Speedrun through these structures to find yourself in the End in just a few in-game days.
Key Java Locations (X, Z)Key Bedrock Locations (X, Z)Cold Ocean Ruin Cluster: -8, 51Ruined Nether portal: 197, 227Underwater ruined Nether portal: 131, 116Plains Village 1: 200, 248Plains Village: 645, 85Plains Village 2: 621, 771Trial Chamber: 601, -16, 103End Portal with Two Eyes: 640, 12, 826
That’s it for this month’s best Minecraft 1.21 seeds. Check out more Minecraft guides here, including a huge catalog of awesome seeds for PC, PS4, PS5, Xbox One, Xbox Series X|S, and Nintendo Switch!
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