diff --git a/near-sdk/src/store/lazy/impls.rs b/near-sdk/src/store/lazy/impls.rs
index 582d24bba..cfb01ee11 100644
--- a/near-sdk/src/store/lazy/impls.rs
+++ b/near-sdk/src/store/lazy/impls.rs
@@ -89,3 +89,19 @@ where
         Self::get_mut(self)
     }
 }
+
+impl<T> std::fmt::Debug for Lazy<T>
+where
+    T: std::fmt::Debug + BorshSerialize + BorshDeserialize,
+{
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if cfg!(feature = "expensive-debug") {
+            self.get().fmt(f)
+        } else {
+            f.debug_struct("Lazy")
+                .field("storage_key", &self.storage_key)
+                .field("cache", &self.cache.get())
+                .finish()
+        }
+    }
+}
diff --git a/near-sdk/src/store/lazy/mod.rs b/near-sdk/src/store/lazy/mod.rs
index 61f235074..4d0682bbb 100644
--- a/near-sdk/src/store/lazy/mod.rs
+++ b/near-sdk/src/store/lazy/mod.rs
@@ -60,7 +60,7 @@ where
 /// *a = "new string".to_string();
 /// assert_eq!(a.get(), "new string");
 /// ```
-#[derive(BorshSerialize, BorshDeserialize, Debug)]
+#[derive(BorshSerialize, BorshDeserialize)]
 pub struct Lazy<T>
 where
     T: BorshSerialize,
@@ -183,4 +183,29 @@ mod tests {
         // be checked for equality.
         assert_eq!(lazy_loaded, b);
     }
+
+    #[test]
+    pub fn test_debug() {
+        let mut lazy = Lazy::new(b"m", 8u8);
+        if cfg!(feature = "expensive-debug") {
+            assert_eq!(format!("{:?}", lazy), "8");
+        } else {
+            assert_eq!(format!("{:?}", lazy), "Lazy { storage_key: [109], cache: Some(CacheEntry { value: Some(8), state: Modified }) }");
+        }
+
+        lazy.flush();
+        if !cfg!(feature = "expensive-debug") {
+            assert_eq!(format!("{:?}", lazy), "Lazy { storage_key: [109], cache: Some(CacheEntry { value: Some(8), state: Cached }) }");
+        }
+
+        // Serialize and deserialize to simulate storing and loading.
+        let serialized = borsh::to_vec(&lazy).unwrap();
+        drop(lazy);
+        let lazy = Lazy::<u8>::try_from_slice(&serialized).unwrap();
+        if cfg!(feature = "expensive-debug") {
+            assert_eq!(format!("{:?}", lazy), "8");
+        } else {
+            assert_eq!(format!("{:?}", lazy), "Lazy { storage_key: [109], cache: None }");
+        }
+    }
 }
diff --git a/near-sdk/src/store/lazy_option/impls.rs b/near-sdk/src/store/lazy_option/impls.rs
index d140629b5..2fdbb2bff 100644
--- a/near-sdk/src/store/lazy_option/impls.rs
+++ b/near-sdk/src/store/lazy_option/impls.rs
@@ -39,7 +39,10 @@ where
         if cfg!(feature = "expensive-debug") {
             self.get().fmt(f)
         } else {
-            f.debug_struct("LazyOption").field("storage_key", &self.prefix).finish()
+            f.debug_struct("LazyOption")
+                .field("storage_key", &self.prefix)
+                .field("cache", &self.cache.get())
+                .finish()
         }
     }
 }
diff --git a/near-sdk/src/store/lazy_option/mod.rs b/near-sdk/src/store/lazy_option/mod.rs
index 6ba96bbe9..f5383204d 100644
--- a/near-sdk/src/store/lazy_option/mod.rs
+++ b/near-sdk/src/store/lazy_option/mod.rs
@@ -167,14 +167,33 @@ mod tests {
         if cfg!(feature = "expensive-debug") {
             assert_eq!(format!("{:?}", lazy_option), "None");
         } else {
-            assert_eq!(format!("{:?}", lazy_option), "LazyOption { storage_key: [109] }");
+            assert_eq!(
+                format!("{:?}", lazy_option),
+                "LazyOption { storage_key: [109], cache: Some(CacheEntry { value: None, state: Cached }) }"
+            );
         }
 
-        lazy_option.set(Some(1u64));
+        *lazy_option = Some(1u8);
         if cfg!(feature = "expensive-debug") {
             assert_eq!(format!("{:?}", lazy_option), "Some(1)");
         } else {
-            assert_eq!(format!("{:?}", lazy_option), "LazyOption { storage_key: [109] }");
+            assert_eq!(
+                format!("{:?}", lazy_option),
+                "LazyOption { storage_key: [109], cache: Some(CacheEntry { value: Some(1), state: Modified }) }"
+            );
+        }
+
+        // Serialize and deserialize to simulate storing and loading.
+        let serialized = borsh::to_vec(&lazy_option).unwrap();
+        drop(lazy_option);
+        let lazy_option = LazyOption::<u8>::try_from_slice(&serialized).unwrap();
+        if cfg!(feature = "expensive-debug") {
+            assert_eq!(format!("{:?}", lazy_option), "Some(1)");
+        } else {
+            assert_eq!(
+                format!("{:?}", lazy_option),
+                "LazyOption { storage_key: [109], cache: None }"
+            );
         }
     }
 }