12 Best Seeds For Base Building In Minecraft 1.21

Minecraft seeds can lead you and your friends to a variety of gorgeous new worlds, some of which are perfect spots to start building an impressive base. Good bases can house your equipment, treasures, and resources you collect from a new world as you explore it. Being able to make your own home requires an abundant landscape, as well as one that allows your base to look cool.

While a good trove of resources from a plentiful Survival seed in Minecraft can be helpful, a good base needs more than just proximity to material-rich biomes. Unique structures, one-of-a-kind environments, and rare discoveries are better locations for bases for their amazing aesthetics. It's far easier to put in the time to expand a base if its starting location was compelling enough for you to settle down.

Solitary Mountain Island

Seed: 1802032403

This seed places you in the middle of a huge lake, with a massive island at its center. This island hosts a single, solitary mountain biome in Minecraft, making it perfect for a base right at its peak. From the top of this place, your base can survey all the surrounding land, or even act as a beacon when you return from long expeditions.

This seed represents a fairly unique challenge for a good base as well, since you'll likely have to build paths going across the lake to the mainland. The elevated nature of the lone island can make your base feel like an impressive castle in Minecraft, lording over other lands with a huge moat to protect you from dangerous mobs.

Multi-Crater Canvas

Seed: 888883471304890674

Those who want a blank space for base building should look no further than this seed, which gives you not one, but two different options. This seed places you close to two large craters, both of which are mostly empty. Despite this, each crater is surrounded by interesting landscapes, from icy tundra mountains to several unique forest types.

The valleys within each crater are great for base choices, with one having beautiful waterfalls while another hosts a cliffside Village and a small pond. Meadow fields and tons of cave entrances here will keep a base in either location for a long time.

Badlands Cliff Edge

Seed: 866322446063020947

Lush Cave seeds in Minecraft are normally hard to build bases in, as many instances of the biome are too deep underground for a permanent home. However, this seed defies that by giving you a lush cave to live in that's exposed to the outside world, with carved entrances on the side of some tall Badlands cliffs.

This place oversees a gorgeous Coral Ocean biome, but the Lush Cave in the cliffs is what attracts the most attention. The glowing underground environment is great for a base nestled into the arid stone, with easily accessed exits giving you a quick way out for exploration.

Home At Hollow Hill

Seed: 298649991203052898

At first glance, this Minecraft seed seems fairly normal, with some Forests, a Village, and uninspiring areas to build your next base. The real interest here comes from a single hill you spawn upon, which has a huge hole in the side of it. With the appearance of a volcano that erupted a long time ago, this strange space is oddly compelling, especially for spelunkers.

A partially underground base here could be at the base of the large waterfall that cascades into the hill's exposed center, or near the Cherry Blossom Forest trees around its perimeter. Whatever the case, the incredibly large cave below will likely compel you toward several adventures, prompting you to make a stable home to return to.

Coral Cove

Seed: 477218

Any base along the coast of an Ocean biome can feel pristine, almost like a beach resort. Among the many available Minecraft 1.21 seeds, hardly any encompass that idea as much as this world, which places you in a small area with a Coral Ocean partially separated by two narrow strips of land, which form two tiny islands in that space.

A single river splits the islands, creating a strange unity of fresh and saltwater here that adds to the location's aesthetic. Two players here could almost form warring bases, with one on each island to duel for resources. While a very simple seed, it looks extremely natural, inviting creative build ideas that take into account its beachfront position.

Stone Seekers Quarry

Seed: -5063403457552024858

This seed places you in the middle of a landscape almost dominated by stone, rock, and other raw ores in a valley of pure Mountain biomes. While there are some trees here and there to help you get started, the impressive range of solid peaks in this world can make for an intimidating base carved into the side of one rock formation. The abundant resources here combine with a calm Lake that gives a serene feeling to an otherwise harsh landscape.

If you explore this seed far enough, you'll even discover a Woodland Mansion structure that appears in both the Java and Bedrock editions of Minecraft. This place lies in a dense Forest in one of the Mountain valleys, offering you the perfect place to serve as your base's fondation. Alternatively, the items within the Mansion could help you expand your base deeper in the mountains, giving you everything you need to start delving into deeper caves.

Strange Skyhigh Shipwreck

Seed: -1078716637192601515

This seed places you on top of a tall, narrow mountain, where a rare Shipwreck structure is infused into some of the upper sandstone near this area's peak. This incredibly strange structure creates a floating boat far above a nearby Ocean biome's water, almost harkening to some myth or story that never got told.

This Shipwreck is an ideal base building spot, as a one-in-a-million location that will likely never be repeated no matter how many worlds you visit. For ambitious players, their base might implement elements of the ship in its design, from its two remaining masts to its front, which can act as an impromptu diving board to jump to the water below.

Paradise In The Harsh Desert

Seed: 1715428494828398701

Deserts are tough places for a base build, but this seed breaks the mold by giving you a safe spot in the biome's normally harsh environment. Multiple waterfalls create an unlikely oasis in the form of a Lush Cave only a few blocks underground a spot in the desert's center. This area offers a vibrant green space, for a hidden garden, temple, or simple base to help guide your desert adventures.

This cave could also be a hub for other underground mining operations, as several tunnels here lead to resource-rich veins of many different ores. This seed is one of the best for Iron farming in Minecraft, alongside Coal, Emeralds, Redstone, and Obsidian for a Nether Portal when you find sources of lava.

Seed: 8888947039572610179

Sometimes, a classic valley is perfect for a base, but these types of natural spaces are always better when they have a unique vibe to them. This seed places you in an isolated Taiga Forest, with cliffs that slowly transition from evergreen trees to frigid snows. As you travel further to the valley's center, you'll discover a small Village near a tiny Lake, with its buildings resting on different levels of the area for a casual aesthetic sure to make you relax.

Building a cozy cabin or winter-themed home here is easy using the abundant trees in this world, which have great variation from the moment you spawn. Small caves and cascading waterfalls put far less pressure on surviving in this seed, encouraging you to have a comfy start rather than an intense dash for resources. Although base building here is easier, that might be a nice change of pace for some players.

Last Isolation From Rot

Seed: 405496612892

Mushroom Island biomes are few and far between, but even when you do find them, they make for poor base building locations due to their lack of diverse resources. That being said, this seed gives you a possible base location on a tiny island surrounded by "useless" Mushroom Fields, challenging veteran Minecraft players to make a home while starting with almost nothing.

Despite the initial Blacksmith Village you spawn in when loading this seed, anyone who lives on the Mushroom adjacent island can dedicate time to creating a reliable home. This prospect of a long building process could spark creativity, allowing players to really search for solutions that will make their home along the rot into something impressive.