diff --git a/src/main/java/world/bentobox/level/Level.java b/src/main/java/world/bentobox/level/Level.java
index 91b498d..2901406 100644
--- a/src/main/java/world/bentobox/level/Level.java
+++ b/src/main/java/world/bentobox/level/Level.java
@@ -48,6 +48,7 @@ public class Level extends Addon implements Listener {
     private Pipeliner pipeliner;
     private LevelsManager manager;
     private boolean stackersEnabled;
+    private boolean advChestEnabled;
 
     @Override
     public void onLoad() {
@@ -98,6 +99,11 @@ public class Level extends Addon implements Listener {
         if (stackersEnabled) {
             log("Hooked into WildStackers.");
         }
+        // Check if AdvancedChests is enabled on the server
+        advChestEnabled = Bukkit.getPluginManager().getPlugin("AdvancedChests") != null;
+        if (advChestEnabled) {
+            log("Hooked into AdvancedChests.");
+        }
     }
 
     @EventHandler
@@ -278,6 +284,13 @@ public class Level extends Addon implements Listener {
         return stackersEnabled;
     }
 
+    /**
+     * @return the advChestEnabled
+     */
+    public boolean isAdvChestEnabled() {
+        return advChestEnabled;
+    }
+
     /**
      * Get level from cache for a player.
      * @param targetPlayer - target player UUID
diff --git a/src/main/java/world/bentobox/level/calculators/IslandLevelCalculator.java b/src/main/java/world/bentobox/level/calculators/IslandLevelCalculator.java
index 1b97489..b3668d6 100644
--- a/src/main/java/world/bentobox/level/calculators/IslandLevelCalculator.java
+++ b/src/main/java/world/bentobox/level/calculators/IslandLevelCalculator.java
@@ -34,6 +34,9 @@ import com.google.common.collect.Multiset;
 import com.google.common.collect.Multiset.Entry;
 import com.google.common.collect.Multisets;
 
+import us.lynuxcraft.deadsilenceiv.advancedchests.AdvancedChestsAPI;
+import us.lynuxcraft.deadsilenceiv.advancedchests.chest.AdvancedChest;
+import us.lynuxcraft.deadsilenceiv.advancedchests.chest.ChestPage;
 import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.database.objects.Island;
 import world.bentobox.bentobox.util.Pair;
@@ -430,13 +433,21 @@ public class IslandLevelCalculator {
         // Count blocks in chests
         for (BlockState bs : chunk.getTileEntities()) {
             if (bs instanceof Container) {
-                Inventory inv = ((Container)bs).getSnapshotInventory();
-                for (ItemStack i : inv) {
-                    if (i != null && i.getType().isBlock()) {
-                        for (int c = 0; c < i.getAmount(); c++) {
-                            checkBlock(i.getType(), false);
-                        }
-                    }
+                if (addon.isAdvChestEnabled()) {
+                    AdvancedChest aChest = AdvancedChestsAPI.getChestManager().getAdvancedChest(bs.getLocation());
+                    aChest.getPages().stream().map(ChestPage::getInventory).forEach(this::countChestItems);
+                } else {
+                    countChestItems(((Container)bs).getSnapshotInventory());
+                }
+            }
+        }
+    }
+
+    private void countChestItems(Inventory inv) {
+        for (ItemStack i : inv) {
+            if (i != null && i.getType().isBlock()) {
+                for (int c = 0; c < i.getAmount(); c++) {
+                    checkBlock(i.getType(), false);
                 }
             }
         }