diff --git a/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java b/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java
index 3a24f8a49..5e91ca163 100644
--- a/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java
+++ b/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java
@@ -10,6 +10,7 @@
 import com.iridium.iridiumskyblock.commands.CommandManager;
 import com.iridium.iridiumskyblock.configs.*;
 import com.iridium.iridiumskyblock.database.Island;
+import com.iridium.iridiumskyblock.generators.IridiumChunkGenerator;
 import com.iridium.iridiumskyblock.gui.GUI;
 import com.iridium.iridiumskyblock.listeners.*;
 import com.iridium.iridiumskyblock.managers.*;
@@ -82,7 +83,7 @@ public class IridiumSkyblock extends IridiumCore {
     private Placeholders placeholders;
     private IslandSettings islandSettings;
 
-    private ChunkGenerator chunkGenerator;
+    private IridiumChunkGenerator chunkGenerator;
 
     private List<BankItem> bankItemList;
     private Map<String, Permission> permissionList;
diff --git a/src/main/java/com/iridium/iridiumskyblock/api/IridiumSkyblockAPI.java b/src/main/java/com/iridium/iridiumskyblock/api/IridiumSkyblockAPI.java
index 531a29192..9bbbd2a61 100644
--- a/src/main/java/com/iridium/iridiumskyblock/api/IridiumSkyblockAPI.java
+++ b/src/main/java/com/iridium/iridiumskyblock/api/IridiumSkyblockAPI.java
@@ -7,6 +7,7 @@
 import com.iridium.iridiumskyblock.database.IslandBooster;
 import com.iridium.iridiumskyblock.database.IslandUpgrade;
 import com.iridium.iridiumskyblock.database.User;
+import com.iridium.iridiumskyblock.generators.GeneratorType;
 import com.iridium.iridiumskyblock.managers.IslandManager;
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
@@ -319,6 +320,16 @@ public boolean isIslandEnd(@NotNull World world) {
         return iridiumSkyblock.getIslandManager().isIslandEnd(world);
     }
 
+    /**
+     * Returns which chunk generator IridiumSkyblock is using for world generation.
+     *
+     * @return the generator IridiumSkyblock uses
+     * @since 3.2.7
+     */
+    public GeneratorType getGeneratorType() {
+        return IridiumSkyblock.getInstance().getConfiguration().generatorSettings.generatorType;
+    }
+  
     /**
      * Returns whether the specified player can visit the provided Island.<p>
      *
diff --git a/src/main/java/com/iridium/iridiumskyblock/generators/GeneratorType.java b/src/main/java/com/iridium/iridiumskyblock/generators/GeneratorType.java
index 7139617e3..e43135a1d 100644
--- a/src/main/java/com/iridium/iridiumskyblock/generators/GeneratorType.java
+++ b/src/main/java/com/iridium/iridiumskyblock/generators/GeneratorType.java
@@ -11,14 +11,14 @@ public enum GeneratorType {
     SKYBLOCK(SkyblockGenerator::new),
     OCEAN(OceanGenerator::new);
 
-    private ChunkGenerator chunkGenerator;
+    private IridiumChunkGenerator chunkGenerator;
 
     /**
      * The default constructor.
      *
      * @param chunkGenerator The ChunkGenerator for this generator
      */
-    GeneratorType(Supplier<? extends ChunkGenerator> chunkGenerator) {
+    GeneratorType(Supplier<? extends IridiumChunkGenerator> chunkGenerator) {
         this.chunkGenerator = chunkGenerator.get();
     }
 
@@ -27,7 +27,7 @@ public enum GeneratorType {
      *
      * @return The ChunkGenerator
      */
-    public ChunkGenerator getChunkGenerator() {
+    public IridiumChunkGenerator getChunkGenerator() {
         return chunkGenerator;
     }
 
diff --git a/src/main/java/com/iridium/iridiumskyblock/generators/IridiumChunkGenerator.java b/src/main/java/com/iridium/iridiumskyblock/generators/IridiumChunkGenerator.java
new file mode 100644
index 000000000..31c7f3268
--- /dev/null
+++ b/src/main/java/com/iridium/iridiumskyblock/generators/IridiumChunkGenerator.java
@@ -0,0 +1,32 @@
+package com.iridium.iridiumskyblock.generators;
+
+import com.iridium.iridiumcore.dependencies.xseries.XMaterial;
+import org.bukkit.World;
+import org.bukkit.generator.ChunkGenerator;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Base class for all IridiumSkyblock chunk generators.
+ */
+public abstract class IridiumChunkGenerator extends ChunkGenerator {
+
+    /**
+     * Returns what a made with this generator is mainly consisting of.<p>
+     * Used for performance improvements.
+     *
+     * @param world the world that should be checked
+     * @return the most used material of the chunk generator in this generator
+     */
+    public abstract XMaterial getMainMaterial(@Nullable World world);
+
+    /**
+     * Returns whether the main material returned by {@link IridiumChunkGenerator#getMainMaterial(World)}
+     * should be ignored.
+     *
+     * @return if the main material should be ignored
+     */
+    public boolean ignoreMainMaterial() {
+        return getMainMaterial(null) == XMaterial.AIR;
+    }
+
+}
diff --git a/src/main/java/com/iridium/iridiumskyblock/generators/OceanGenerator.java b/src/main/java/com/iridium/iridiumskyblock/generators/OceanGenerator.java
index 3ba16943e..b2e459da7 100644
--- a/src/main/java/com/iridium/iridiumskyblock/generators/OceanGenerator.java
+++ b/src/main/java/com/iridium/iridiumskyblock/generators/OceanGenerator.java
@@ -7,10 +7,10 @@
 import org.bukkit.World;
 import org.bukkit.World.Environment;
 import org.bukkit.block.Block;
-import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.util.noise.SimplexOctaveGenerator;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Objects;
 import java.util.Random;
@@ -19,7 +19,7 @@
  * Class which handles the {@link World} generation of IridiumSkyblock.
  * Creates an ocean world.
  */
-public class OceanGenerator extends ChunkGenerator {
+public class OceanGenerator extends IridiumChunkGenerator {
 
     /**
      * Generates an ocean.
@@ -152,4 +152,18 @@ public boolean canSpawn(@NotNull World world, int x, int z) {
         return true;
     }
 
+    /**
+     * Returns what a made with this generator is mainly consisting of.<p>
+     * Used for performance improvements.
+     *
+     * @param world the world that should be checked
+     * @return the most used material of the chunk generator in this generator
+     */
+    @Override
+    public XMaterial getMainMaterial(@Nullable World world) {
+        if (world == null) return XMaterial.WATER;
+
+        return world.getEnvironment() == Environment.NETHER ? XMaterial.LAVA : XMaterial.WATER;
+    }
+
 }
diff --git a/src/main/java/com/iridium/iridiumskyblock/generators/SkyblockGenerator.java b/src/main/java/com/iridium/iridiumskyblock/generators/SkyblockGenerator.java
index 026f5e3b5..abde78e2e 100755
--- a/src/main/java/com/iridium/iridiumskyblock/generators/SkyblockGenerator.java
+++ b/src/main/java/com/iridium/iridiumskyblock/generators/SkyblockGenerator.java
@@ -1,9 +1,10 @@
 package com.iridium.iridiumskyblock.generators;
 
+import com.iridium.iridiumcore.dependencies.xseries.XMaterial;
 import org.bukkit.World;
 import org.bukkit.generator.BlockPopulator;
-import org.bukkit.generator.ChunkGenerator;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Collections;
 import java.util.List;
@@ -13,7 +14,7 @@
  * Class which handles the {@link World} generation of IridiumSkyblock.
  * Creates an empty void world.
  */
-public class SkyblockGenerator extends ChunkGenerator {
+public class SkyblockGenerator extends IridiumChunkGenerator {
 
     public byte[][] blockSections;
 
@@ -73,4 +74,16 @@ public boolean canSpawn(@NotNull World world, int x, int z) {
         return Collections.emptyList();
     }
 
-}
\ No newline at end of file
+    /**
+     * Returns what a made with this generator is mainly consisting of.<p>
+     * Used for performance improvements.
+     *
+     * @param world the world that should be checked
+     * @return the most used material of the chunk generator in this generator
+     */
+    @Override
+    public XMaterial getMainMaterial(@Nullable World world) {
+        return XMaterial.AIR;
+    }
+
+}
diff --git a/src/main/java/com/iridium/iridiumskyblock/managers/IslandManager.java b/src/main/java/com/iridium/iridiumskyblock/managers/IslandManager.java
index d94ff8b92..51ee486e1 100644
--- a/src/main/java/com/iridium/iridiumskyblock/managers/IslandManager.java
+++ b/src/main/java/com/iridium/iridiumskyblock/managers/IslandManager.java
@@ -856,14 +856,17 @@ public void recalculateIsland(@NotNull Island island) {
     private void recalculateIsland(@NotNull Island island, @NotNull List<Chunk> chunks) {
         chunks.stream().map(chunk -> chunk.getChunkSnapshot(true, false, false)).forEach(chunk -> {
             World world = Bukkit.getWorld(chunk.getWorldName());
+            boolean ignoreMainMaterial = IridiumSkyblock.getInstance().getChunkGenerator().ignoreMainMaterial();
             int maxHeight = world == null ? 255 : world.getMaxHeight() - 1;
+
             for (int x = 0; x < 16; x++) {
                 for (int z = 0; z < 16; z++) {
                     if (island.isInIsland(x + (chunk.getX() * 16), z + (chunk.getZ() * 16))) {
                         final int maxy = Math.min(maxHeight, chunk.getHighestBlockYAt(x, z));
                         for (int y = LocationUtils.getMinHeight(world); y <= maxy; y++) {
                             XMaterial material = XMaterial.matchXMaterial(chunk.getBlockType(x, y, z));
-                            if (material.equals(XMaterial.AIR)) continue;
+                            if (material == XMaterial.AIR) continue;
+                            if (!ignoreMainMaterial && material == IridiumSkyblock.getInstance().getChunkGenerator().getMainMaterial(world)) continue;
 
                             IslandBlocks islandBlock = IridiumSkyblock.getInstance().getIslandManager().getIslandBlock(island, material);
                             islandBlock.setAmount(islandBlock.getAmount() + 1);
@@ -873,10 +876,10 @@ private void recalculateIsland(@NotNull Island island, @NotNull List<Chunk> chun
             }
         });
         
-        if (!Bukkit.isPrimaryThread()) {
-            Bukkit.getScheduler().runTask(IridiumSkyblock.getInstance(), () -> getAllTileInIsland(island, chunks));
-        } else {
+        if (Bukkit.isPrimaryThread()) {
             getAllTileInIsland(island, chunks);
+        } else {
+            Bukkit.getScheduler().runTask(IridiumSkyblock.getInstance(), () -> getAllTileInIsland(island, chunks));
         }
     }