diff --git a/src/main/java/ca/recrown/islandsurvivalcraft/world/BiomeSelector.java b/src/main/java/ca/recrown/islandsurvivalcraft/world/BiomeSelector.java
index c6c90a1..be65a31 100644
--- a/src/main/java/ca/recrown/islandsurvivalcraft/world/BiomeSelector.java
+++ b/src/main/java/ca/recrown/islandsurvivalcraft/world/BiomeSelector.java
@@ -10,12 +10,12 @@ import org.bukkit.block.Biome;
 import ca.recrown.islandsurvivalcraft.Utilities;
 
 public class BiomeSelector {
-    private boolean initialized = false;
+    private volatile boolean initialized = false;
     private final HashMap<Biome, Float> lands = new HashMap<>();
-    private HashMap<Float, ArrayList<Biome>> temperaturesForLand = new HashMap<>();
+    private volatile HashMap<Float, ArrayList<Biome>> temperaturesForLand = new HashMap<>();
     private final HashMap<Float, ArrayList<Biome>> temperaturePartitionedLandBiomes = new HashMap<>();
     private final HashMap<Biome, Float> oceans = new HashMap<>();
-    private HashMap<Float, ArrayList<Biome>> temperaturesForOcean = new HashMap<>();
+    private volatile HashMap<Float, ArrayList<Biome>> temperaturesForOcean = new HashMap<>();
     private final HashMap<Float, ArrayList<Biome>> temperaturePartitionedOceanBiomes = new HashMap<>();
 
 
@@ -26,6 +26,7 @@ public class BiomeSelector {
         temperaturePartitionedLandBiomes.put(2f, new ArrayList<>());
 
         temperaturePartitionedOceanBiomes.put(0.00f, new ArrayList<>());
+        temperaturePartitionedOceanBiomes.put(0.3f, new ArrayList<>());
         temperaturePartitionedOceanBiomes.put(0.5f, new ArrayList<>());
     }
 
@@ -91,17 +92,15 @@ public class BiomeSelector {
     private void registerOceanBiomeTemperatures() {
         oceans.put(Biome.WARM_OCEAN, 0.5f);
         oceans.put(Biome.LUKEWARM_OCEAN, 0.5f);
-        oceans.put(Biome.DEEP_LUKEWARM_OCEAN, 0.5f);
-        oceans.put(Biome.OCEAN, 0.5f);
-        oceans.put(Biome.DEEP_OCEAN, 0.5f);
-        oceans.put(Biome.COLD_OCEAN, 0.5f);
-        oceans.put(Biome.DEEP_COLD_OCEAN, 0.5f);
+        oceans.put(Biome.OCEAN, 0.3f);
+        oceans.put(Biome.COLD_OCEAN, 0.3f);
         oceans.put(Biome.FROZEN_OCEAN, 0f);
-        oceans.put(Biome.DEEP_FROZEN_OCEAN, 0.5f);
         temperaturesForOcean = Utilities.invertHashMap(oceans);
         for (Entry<Float, ArrayList<Biome>> entry : temperaturesForOcean.entrySet()) {
             if (entry.getKey() <= 0.00f) {
                 temperaturePartitionedOceanBiomes.get(0.0f).addAll(entry.getValue());
+            } else if (entry.getKey() <= 0.3f) {
+                temperaturePartitionedOceanBiomes.get(0.3f).addAll(entry.getValue());
             } else {
                 temperaturePartitionedOceanBiomes.get(0.5f).addAll(entry.getValue());
             }
@@ -188,9 +187,10 @@ public class BiomeSelector {
     /**
      * Randomly selects a land biome that fits in given temperature.
      * @param temperature Minecraft temperature to select biome from.
+     * @param seed The seed to use to select the biome.
      * @return The randomly selected biome.
      */
-    public Biome getLandBiome(float temperature, Random random) {
+    public Biome getLandBiome(float temperature, long seed) {
         if (!initialized) throw new IllegalStateException("Biome selector is not initialized.");
         ArrayList<Biome> biomes = null;
         if (temperature <= 0.05f) {
@@ -202,25 +202,32 @@ public class BiomeSelector {
         } else {
             biomes = temperaturePartitionedLandBiomes.get(2.00f);
         }
-
+        Random random = new Random(seed);
         return biomes.get((int) random.nextFloat() * biomes.size());
     }
 
     /**
      * Randomly selects an ocean biome that fits in given temperature.
+     * 
      * @param temperature Minecraft temperature to select biome from.
+     * @param isDeep If this ocean should be of the deep variant.
+     * @param seed The seed to use to select the biome.
      * @return The randomly selected biome.
      */
-    public Biome getOceanBiome(float temperature, Random random) {
+    public Biome getOceanBiome(float temperature, boolean isDeep, long seed) {
         if (!initialized) throw new IllegalStateException("Biome selector is not initialized.");
         ArrayList<Biome> biomes = null;
         if (temperature <= 0.00f) {
             biomes = temperaturePartitionedOceanBiomes.get(0.0f);
+        } else if (temperature <= 0.3) {
+            biomes = temperaturePartitionedOceanBiomes.get(0.3f);
         } else {
             biomes = temperaturePartitionedOceanBiomes.get(0.5f);
         }
-
-        return biomes.get((int) random.nextFloat() * biomes.size());
+        Random random = new Random(seed);
+        Biome oceanBiome = biomes.get((int) random.nextFloat() * biomes.size());
+        if (isDeep) oceanBiome = Biome.valueOf("DEEP_" + oceanBiome.name());
+        return oceanBiome;
     }
 
 }
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