diff --git a/lib/internal/v8/startup_snapshot.js b/lib/internal/v8/startup_snapshot.js
index 49623627706bc0..e5154446b01a3d 100644
--- a/lib/internal/v8/startup_snapshot.js
+++ b/lib/internal/v8/startup_snapshot.js
@@ -14,11 +14,11 @@ const {
   setSerializeCallback,
   setDeserializeCallback,
   setDeserializeMainFunction: _setDeserializeMainFunction,
+  isBuildingSnapshotBuffer
 } = internalBinding('mksnapshot');
 
 function isBuildingSnapshot() {
-  // For now this is the only way to build a snapshot.
-  return require('internal/options').getOptionValue('--build-snapshot');
+  return isBuildingSnapshotBuffer[0];
 }
 
 function throwIfNotBuildingSnapshot() {
diff --git a/src/api/embed_helpers.cc b/src/api/embed_helpers.cc
index 5c8b733737a2e6..341d131f24f753 100644
--- a/src/api/embed_helpers.cc
+++ b/src/api/embed_helpers.cc
@@ -142,8 +142,8 @@ CommonEnvironmentSetup::CommonEnvironmentSetup(
 
     impl_->isolate_data.reset(CreateIsolateData(
         isolate, loop, platform, impl_->allocator.get(), snapshot_data));
-    impl_->isolate_data->options()->build_snapshot =
-        impl_->snapshot_creator.has_value();
+    impl_->isolate_data->set_is_building_snapshot(
+        impl_->snapshot_creator.has_value());
 
     if (snapshot_data) {
       impl_->env.reset(make_env(this));
diff --git a/src/base_object_types.h b/src/base_object_types.h
index 4916a20bbc6421..bb7a0e064b0b72 100644
--- a/src/base_object_types.h
+++ b/src/base_object_types.h
@@ -12,6 +12,7 @@ namespace node {
 #define SERIALIZABLE_BINDING_TYPES(V)                                          \
   V(encoding_binding_data, encoding_binding::BindingData)                      \
   V(fs_binding_data, fs::BindingData)                                          \
+  V(mksnapshot_binding_data, mksnapshot::BindingData)                          \
   V(v8_binding_data, v8_utils::BindingData)                                    \
   V(blob_binding_data, BlobBindingData)                                        \
   V(process_binding_data, process::BindingData)                                \
diff --git a/src/env.h b/src/env.h
index 5359436be31e76..354d0bf414c55a 100644
--- a/src/env.h
+++ b/src/env.h
@@ -136,6 +136,9 @@ class NODE_EXTERN_PRIVATE IsolateData : public MemoryRetainer {
   void MemoryInfo(MemoryTracker* tracker) const override;
   IsolateDataSerializeInfo Serialize(v8::SnapshotCreator* creator);
 
+  bool is_building_snapshot() const { return is_building_snapshot_; }
+  void set_is_building_snapshot(bool value) { is_building_snapshot_ = value; }
+
   inline uv_loop_t* event_loop() const;
   inline MultiIsolatePlatform* platform() const;
   inline const SnapshotData* snapshot_data() const;
@@ -219,6 +222,7 @@ class NODE_EXTERN_PRIVATE IsolateData : public MemoryRetainer {
   const SnapshotData* snapshot_data_;
   std::shared_ptr<PerIsolateOptions> options_;
   worker::Worker* worker_context_ = nullptr;
+  bool is_building_snapshot_ = false;
 };
 
 struct ContextInfo {
diff --git a/src/node.cc b/src/node.cc
index 1806693d4bd204..acab0cb3d960b6 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -283,7 +283,7 @@ MaybeLocal<Value> StartExecution(Environment* env, StartExecutionCallback cb) {
     auto reset_entry_point =
         OnScopeLeave([&]() { env->set_embedder_entry_point({}); });
 
-    const char* entry = env->isolate_data()->options()->build_snapshot
+    const char* entry = env->isolate_data()->is_building_snapshot()
                             ? "internal/main/mksnapshot"
                             : "internal/main/embedding";
 
@@ -311,7 +311,7 @@ MaybeLocal<Value> StartExecution(Environment* env, StartExecutionCallback cb) {
     return StartExecution(env, "internal/main/inspect");
   }
 
-  if (env->isolate_data()->options()->build_snapshot) {
+  if (env->isolate_data()->is_building_snapshot()) {
     return StartExecution(env, "internal/main/mksnapshot");
   }
 
diff --git a/src/node_binding.h b/src/node_binding.h
index f04be60c3890f0..dd7667899e5a7f 100644
--- a/src/node_binding.h
+++ b/src/node_binding.h
@@ -37,6 +37,7 @@ static_assert(static_cast<int>(NM_F_LINKED) ==
   V(contextify)                                                                \
   V(encoding_binding)                                                          \
   V(fs)                                                                        \
+  V(mksnapshot)                                                                \
   V(timers)                                                                    \
   V(process_methods)                                                           \
   V(performance)                                                               \
diff --git a/src/node_main_instance.cc b/src/node_main_instance.cc
index 34ed9075e0fe16..41e5bee353a579 100644
--- a/src/node_main_instance.cc
+++ b/src/node_main_instance.cc
@@ -56,6 +56,8 @@ NodeMainInstance::NodeMainInstance(const SnapshotData* snapshot_data,
                         platform,
                         array_buffer_allocator_.get(),
                         snapshot_data->AsEmbedderWrapper().get()));
+  isolate_data_->set_is_building_snapshot(
+      per_process::cli_options->per_isolate->build_snapshot);
 
   isolate_data_->max_young_gen_size =
       isolate_params_->constraints.max_young_generation_size_in_bytes();
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index b2be437efff788..e5f6d0a60a3abb 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -3,6 +3,7 @@
 #include <iostream>
 #include <sstream>
 #include <vector>
+#include "aliased_buffer-inl.h"
 #include "base_object-inl.h"
 #include "blob_serializer_deserializer-inl.h"
 #include "debug_utils-inl.h"
@@ -34,6 +35,7 @@ namespace node {
 using v8::Context;
 using v8::Function;
 using v8::FunctionCallbackInfo;
+using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::Isolate;
 using v8::Local;
@@ -1177,8 +1179,6 @@ void SerializeSnapshotableObjects(Realm* realm,
   });
 }
 
-namespace mksnapshot {
-
 // NB: This is also used by the regular embedding codepath.
 void GetEmbedderEntryFunction(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
@@ -1251,16 +1251,89 @@ void SetDeserializeMainFunction(const FunctionCallbackInfo<Value>& args) {
   env->set_snapshot_deserialize_main(args[0].As<Function>());
 }
 
-void Initialize(Local<Object> target,
-                Local<Value> unused,
-                Local<Context> context,
-                void* priv) {
+namespace mksnapshot {
+
+BindingData::BindingData(Realm* realm,
+                         v8::Local<v8::Object> object,
+                         InternalFieldInfo* info)
+    : SnapshotableObject(realm, object, type_int),
+      is_building_snapshot_buffer_(
+          realm->isolate(),
+          1,
+          MAYBE_FIELD_PTR(info, is_building_snapshot_buffer)) {
+  if (info == nullptr) {
+    object
+        ->Set(
+            realm->context(),
+            FIXED_ONE_BYTE_STRING(realm->isolate(), "isBuildingSnapshotBuffer"),
+            is_building_snapshot_buffer_.GetJSArray())
+        .Check();
+  } else {
+    is_building_snapshot_buffer_.Deserialize(realm->context());
+  }
+  // Reset the status according to the current state of the realm.
+  bool is_building_snapshot = realm->isolate_data()->is_building_snapshot();
+  DCHECK_IMPLIES(is_building_snapshot,
+                 realm->isolate_data()->snapshot_data() == nullptr);
+  is_building_snapshot_buffer_[0] = is_building_snapshot ? 1 : 0;
+  is_building_snapshot_buffer_.MakeWeak();
+}
+
+bool BindingData::PrepareForSerialization(Local<Context> context,
+                                          v8::SnapshotCreator* creator) {
+  DCHECK_NULL(internal_field_info_);
+  internal_field_info_ = InternalFieldInfoBase::New<InternalFieldInfo>(type());
+  internal_field_info_->is_building_snapshot_buffer =
+      is_building_snapshot_buffer_.Serialize(context, creator);
+  // Return true because we need to maintain the reference to the binding from
+  // JS land.
+  return true;
+}
+
+InternalFieldInfoBase* BindingData::Serialize(int index) {
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
+  InternalFieldInfo* info = internal_field_info_;
+  internal_field_info_ = nullptr;
+  return info;
+}
+
+void BindingData::Deserialize(Local<Context> context,
+                              Local<Object> holder,
+                              int index,
+                              InternalFieldInfoBase* info) {
+  DCHECK_EQ(index, BaseObject::kEmbedderType);
+  v8::HandleScope scope(context->GetIsolate());
+  Realm* realm = Realm::GetCurrent(context);
+  // Recreate the buffer in the constructor.
+  InternalFieldInfo* casted_info = static_cast<InternalFieldInfo*>(info);
+  BindingData* binding =
+      realm->AddBindingData<BindingData>(context, holder, casted_info);
+  CHECK_NOT_NULL(binding);
+}
+
+void BindingData::MemoryInfo(MemoryTracker* tracker) const {
+  tracker->TrackField("is_building_snapshot_buffer",
+                      is_building_snapshot_buffer_);
+}
+
+void CreatePerContextProperties(Local<Object> target,
+                                Local<Value> unused,
+                                Local<Context> context,
+                                void* priv) {
+  Realm* realm = Realm::GetCurrent(context);
+  realm->AddBindingData<BindingData>(context, target);
+}
+
+void CreatePerIsolateProperties(IsolateData* isolate_data,
+                                Local<FunctionTemplate> ctor) {
+  Isolate* isolate = isolate_data->isolate();
+  Local<ObjectTemplate> target = ctor->PrototypeTemplate();
   SetMethod(
-      context, target, "getEmbedderEntryFunction", GetEmbedderEntryFunction);
-  SetMethod(context, target, "compileSerializeMain", CompileSerializeMain);
-  SetMethod(context, target, "setSerializeCallback", SetSerializeCallback);
-  SetMethod(context, target, "setDeserializeCallback", SetDeserializeCallback);
-  SetMethod(context,
+      isolate, target, "getEmbedderEntryFunction", GetEmbedderEntryFunction);
+  SetMethod(isolate, target, "compileSerializeMain", CompileSerializeMain);
+  SetMethod(isolate, target, "setSerializeCallback", SetSerializeCallback);
+  SetMethod(isolate, target, "setDeserializeCallback", SetDeserializeCallback);
+  SetMethod(isolate,
             target,
             "setDeserializeMainFunction",
             SetDeserializeMainFunction);
@@ -1274,8 +1347,12 @@ void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
   registry->Register(SetDeserializeMainFunction);
 }
 }  // namespace mksnapshot
+
 }  // namespace node
 
-NODE_BINDING_CONTEXT_AWARE_INTERNAL(mksnapshot, node::mksnapshot::Initialize)
+NODE_BINDING_CONTEXT_AWARE_INTERNAL(
+    mksnapshot, node::mksnapshot::CreatePerContextProperties)
+NODE_BINDING_PER_ISOLATE_INIT(mksnapshot,
+                              node::mksnapshot::CreatePerIsolateProperties)
 NODE_BINDING_EXTERNAL_REFERENCE(mksnapshot,
                                 node::mksnapshot::RegisterExternalReferences)
diff --git a/src/node_snapshotable.h b/src/node_snapshotable.h
index 28d9dd8c0aee14..eed572beef3a0c 100644
--- a/src/node_snapshotable.h
+++ b/src/node_snapshotable.h
@@ -4,6 +4,7 @@
 
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
+#include "aliased_buffer.h"
 #include "base_object.h"
 #include "util.h"
 
@@ -121,6 +122,31 @@ void DeserializeNodeInternalFields(v8::Local<v8::Object> holder,
 void SerializeSnapshotableObjects(Realm* realm,
                                   v8::SnapshotCreator* creator,
                                   RealmSerializeInfo* info);
+
+namespace mksnapshot {
+class BindingData : public SnapshotableObject {
+ public:
+  struct InternalFieldInfo : public node::InternalFieldInfoBase {
+    AliasedBufferIndex is_building_snapshot_buffer;
+  };
+
+  BindingData(Realm* realm,
+              v8::Local<v8::Object> obj,
+              InternalFieldInfo* info = nullptr);
+  SET_BINDING_ID(mksnapshot_binding_data)
+  SERIALIZABLE_OBJECT_METHODS()
+
+  void MemoryInfo(MemoryTracker* tracker) const override;
+  SET_SELF_SIZE(BindingData)
+  SET_MEMORY_INFO_NAME(BindingData)
+
+ private:
+  AliasedUint8Array is_building_snapshot_buffer_;
+  InternalFieldInfo* internal_field_info_ = nullptr;
+};
+
+}  // namespace mksnapshot
+
 }  // namespace node
 
 #endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
diff --git a/src/node_worker.cc b/src/node_worker.cc
index 2bb5bdf569ebef..ed966073ec7286 100644
--- a/src/node_worker.cc
+++ b/src/node_worker.cc
@@ -186,6 +186,7 @@ class WorkerThreadData {
                             allocator.get(),
                             w->snapshot_data()->AsEmbedderWrapper().get()));
       CHECK(isolate_data_);
+      CHECK(!isolate_data_->is_building_snapshot());
       if (w_->per_isolate_opts_)
         isolate_data_->set_options(std::move(w_->per_isolate_opts_));
       isolate_data_->set_worker_context(w_);
@@ -481,6 +482,7 @@ void Worker::New(const FunctionCallbackInfo<Value>& args) {
     THROW_ERR_MISSING_PLATFORM_FOR_WORKER(env);
     return;
   }
+  CHECK(!env->isolate_data()->is_building_snapshot());
 
   std::string url;
   std::string name;