diff --git a/assets/common/trading/item_price_calculation.ron b/assets/common/trading/item_price_calculation.ron
index 325cb8dc09..17609a3351 100644
--- a/assets/common/trading/item_price_calculation.ron
+++ b/assets/common/trading/item_price_calculation.ron
@@ -19,7 +19,7 @@ loot_tables: [
 
     // Ingredients
     (72.5, true, "common.trading.sellable_materials"),
-    (2.774, false, "common.trading.unsellable_materials"),
+    (3.1548, false, "common.trading.unsellable_materials"),
 
     // Food Ingredients
     (20.375, true, "common.trading.food"),
diff --git a/assets/common/trading/unsellable_materials.ron b/assets/common/trading/unsellable_materials.ron
index 0e975388c2..af7762468c 100644
--- a/assets/common/trading/unsellable_materials.ron
+++ b/assets/common/trading/unsellable_materials.ron
@@ -37,6 +37,12 @@
     (0.15, Item("common.items.crafting_ing.animal_misc.lively_vine")),
     (0.225, Item("common.items.crafting_ing.sticky_thread")),
 
+    // Sea Materials
+    (0.03, Item("common.items.crafting_ing.abyssal_heart")),
+    (0.075, Item("common.items.crafting_ing.pearl")),
+    (0.25, Item("common.items.crafting_ing.brinestone")),
+    (1.0, Item("common.items.crafting_ing.coral_branch")),
+
     // Miscellaneous Materials
     (0.75, Item("common.items.crafting_ing.resin")),
     (1.0, Item("common.items.crafting_ing.sentient_seed")),