diff --git a/yarn-project/aztec-nr/aztec/src/context/private_context.nr b/yarn-project/aztec-nr/aztec/src/context/private_context.nr
index 07bc64240639..d9d1a232c07f 100644
--- a/yarn-project/aztec-nr/aztec/src/context/private_context.nr
+++ b/yarn-project/aztec-nr/aztec/src/context/private_context.nr
@@ -1,10 +1,7 @@
 use crate::{
     context::inputs::PrivateContextInputs,
     key::nullifier_key::validate_nullifier_key_against_address,
-    messaging::{
-        process_l1_to_l2_message,
-        l2_to_l1_message::L2ToL1Message,
-    },
+    messaging::process_l1_to_l2_message,
     oracle::{
         arguments,
         call_private_function::call_private_function_internal,
@@ -50,6 +47,7 @@ use dep::protocol_types::{
     grumpkin_private_key::GrumpkinPrivateKey,
     hash::hash_args,
     header::Header,
+    messaging::l2_to_l1_message::L2ToL1Message,
     utils::reader::Reader,
 };
 use dep::std::option::Option;
diff --git a/yarn-project/noir-protocol-circuits/src/crates/types/src/abis/private_circuit_public_inputs.nr b/yarn-project/noir-protocol-circuits/src/crates/types/src/abis/private_circuit_public_inputs.nr
index f7eafd6503eb..44ed670877ce 100644
--- a/yarn-project/noir-protocol-circuits/src/crates/types/src/abis/private_circuit_public_inputs.nr
+++ b/yarn-project/noir-protocol-circuits/src/crates/types/src/abis/private_circuit_public_inputs.nr
@@ -117,7 +117,9 @@ impl Serialize<PRIVATE_CIRCUIT_PUBLIC_INPUTS_LENGTH> for PrivateCircuitPublicInp
         }
         fields.extend_from_array(self.private_call_stack_hashes);
         fields.extend_from_array(self.public_call_stack_hashes);
-        fields.extend_from_array(self.new_l2_to_l1_msgs);
+        for i in 0..MAX_NEW_L2_TO_L1_MSGS_PER_CALL {
+            fields.extend_from_array(self.new_l2_to_l1_msgs[i].serialize());
+        }
         fields.push(self.end_side_effect_counter as Field);
         fields.extend_from_array(self.encrypted_logs_hash);
         fields.extend_from_array(self.unencrypted_logs_hash);
@@ -149,7 +151,7 @@ impl Deserialize<PRIVATE_CIRCUIT_PUBLIC_INPUTS_LENGTH> for PrivateCircuitPublicI
             new_nullifiers: reader.read_struct_array(SideEffectLinkedToNoteHash::deserialize, [SideEffectLinkedToNoteHash::empty(); MAX_NEW_NULLIFIERS_PER_CALL]),
             private_call_stack_hashes: reader.read_array([0; MAX_PRIVATE_CALL_STACK_LENGTH_PER_CALL]),
             public_call_stack_hashes: reader.read_array([0; MAX_PUBLIC_CALL_STACK_LENGTH_PER_CALL]),
-            new_l2_to_l1_msgs: reader.read_array([0; MAX_NEW_L2_TO_L1_MSGS_PER_CALL]),
+            new_l2_to_l1_msgs: reader.read_struct_array(L2ToL1Message::deserialize, [L2ToL1Message::empty(); MAX_NEW_L2_TO_L1_MSGS_PER_CALL]),
             end_side_effect_counter: reader.read() as u32,
             encrypted_logs_hash: reader.read_array([0; NUM_FIELDS_PER_SHA256]),
             unencrypted_logs_hash: reader.read_array([0; NUM_FIELDS_PER_SHA256]),
diff --git a/yarn-project/noir-protocol-circuits/src/crates/types/src/messaging/l2_to_l1_message.nr b/yarn-project/noir-protocol-circuits/src/crates/types/src/messaging/l2_to_l1_message.nr
index 40302bc9a9d1..d7b2c6046a8d 100644
--- a/yarn-project/noir-protocol-circuits/src/crates/types/src/messaging/l2_to_l1_message.nr
+++ b/yarn-project/noir-protocol-circuits/src/crates/types/src/messaging/l2_to_l1_message.nr
@@ -1,8 +1,10 @@
 use crate::{
     address::EthAddress,
-    traits::Empty,
+    traits::{Deserialize, Empty, Serialize},
 };
 
+global L2_TO_L1_MESSAGE_LENGTH: Field = 2;
+
 struct L2ToL1Message {
     recipient: EthAddress,
     content: Field,
@@ -22,3 +24,18 @@ impl Eq for L2ToL1Message {
         (self.recipient == other.recipient) & (self.content == other.content)
     }
 }
+
+impl Serialize<L2_TO_L1_MESSAGE_LENGTH> for L2ToL1Message {
+    fn serialize(self) -> [Field; L2_TO_L1_MESSAGE_LENGTH] {
+        [self.recipient.to_field(), self.content]
+    }
+}
+
+impl Deserialize<L2_TO_L1_MESSAGE_LENGTH> for L2ToL1Message {
+    fn deserialize(values: [Field; L2_TO_L1_MESSAGE_LENGTH]) -> Self {
+        Self {
+            recipient: EthAddress::from_field(values[0]),
+            content: values[1],
+        }
+    }
+}
diff --git a/yarn-project/noir-protocol-circuits/src/crates/types/src/tests/private_circuit_public_inputs_builder.nr b/yarn-project/noir-protocol-circuits/src/crates/types/src/tests/private_circuit_public_inputs_builder.nr
index 11c7c39842f2..d60c838d95ba 100644
--- a/yarn-project/noir-protocol-circuits/src/crates/types/src/tests/private_circuit_public_inputs_builder.nr
+++ b/yarn-project/noir-protocol-circuits/src/crates/types/src/tests/private_circuit_public_inputs_builder.nr
@@ -9,6 +9,7 @@ use crate::{
     contrakt::deployment_data::ContractDeploymentData,
     hash::{compute_constructor_hash, hash_args},
     header::Header,
+    messaging::l2_to_l1_message::L2ToL1Message,
     tests::{
         fixtures,
         testing_harness::build_contract_deployment_data,
@@ -42,7 +43,7 @@ struct PrivateCircuitPublicInputsBuilder {
 
     private_call_stack_hashes: BoundedVec<Field, MAX_PRIVATE_CALL_STACK_LENGTH_PER_CALL>,
     public_call_stack_hashes: BoundedVec<Field, MAX_PUBLIC_CALL_STACK_LENGTH_PER_CALL>,
-    new_l2_to_l1_msgs: BoundedVec<Field, MAX_NEW_L2_TO_L1_MSGS_PER_CALL>,
+    new_l2_to_l1_msgs: BoundedVec<L2ToL1Message, MAX_NEW_L2_TO_L1_MSGS_PER_CALL>,
 
     encrypted_logs_hash: [Field; NUM_FIELDS_PER_SHA256],
     unencrypted_logs_hash: [Field; NUM_FIELDS_PER_SHA256],