diff --git a/src/constants/addresses.ts b/src/constants/addresses.ts
index 05d9b7e..f204e82 100644
--- a/src/constants/addresses.ts
+++ b/src/constants/addresses.ts
@@ -60,6 +60,30 @@ const arbitrumMainnetAddresses: Addresses = {
   AGGREGATOR_UNISWAP_V3: "",
 };
 
+const baseMainnetAddresses: Addresses = {
+  LOOKS: "",
+  EXCHANGE_V2: "",
+  TRANSFER_MANAGER_V2: "",
+  WETH: "",
+  ORDER_VALIDATOR_V2: "",
+  REVERSE_RECORDS: "",
+  LOOKS_LP_V3: "",
+  STAKING_POOL_FOR_LOOKS_LP: "",
+  AGGREGATOR_UNISWAP_V3: "",
+};
+
+const baseSepoliaAddresses: Addresses = {
+  LOOKS: "",
+  EXCHANGE_V2: "",
+  TRANSFER_MANAGER_V2: "",
+  WETH: "",
+  ORDER_VALIDATOR_V2: "",
+  REVERSE_RECORDS: "",
+  LOOKS_LP_V3: "",
+  STAKING_POOL_FOR_LOOKS_LP: "",
+  AGGREGATOR_UNISWAP_V3: "",
+};
+
 /**
  * List of useful contract addresses
  */
@@ -70,4 +94,6 @@ export const addressesByNetwork: { [chainId in ChainId]: Addresses } = {
   [ChainId.SEPOLIA]: sepoliaAddresses,
   [ChainId.ARB_SEPOLIA]: arbitrumSepoliaAddresses,
   [ChainId.ARB_MAINNET]: arbitrumMainnetAddresses,
+  [ChainId.BASE_MAINNET]: baseMainnetAddresses,
+  [ChainId.BASE_SEPOLIA]: baseSepoliaAddresses,
 };
diff --git a/src/constants/chains.ts b/src/constants/chains.ts
index 3d0fcff..46fe5d8 100644
--- a/src/constants/chains.ts
+++ b/src/constants/chains.ts
@@ -61,6 +61,30 @@ export const chainInfo: { [chainId in ChainId]: ChainInfo } = {
     cloudinaryUrl: "https://looksrare.mo.cloudinary.net/sepolia",
     wsUrl: "wss://ws-sepolia.looksrare.org/ws",
   },
+  [ChainId.BASE_MAINNET]: {
+    label: "Base Mainnet",
+    appUrl: "https://looksrare.org",
+    explorer: "https://basescan.org",
+    rpcUrl: "https://base-mainnet.g.alchemy.com/v2",
+    baseApiUrl: "https://graphql.looksrare.org",
+    osApiUrl: "https://api.opensea.io",
+    cdnUrl: "https://static.looksnice.org",
+    rewardsSubgraphUrl: "https://api.thegraph.com/subgraphs/name/looksrare/looks-distribution",
+    cloudinaryUrl: "https://looksrare.mo.cloudinary.net",
+    wsUrl: "wss://ws.looksrare.org/ws",
+  },
+  [ChainId.BASE_SEPOLIA]: {
+    label: "Base Sepolia",
+    appUrl: "https://sepolia.looksrare.org",
+    explorer: "https://sepolia-explorer.base.org",
+    rpcUrl: "https://base-sepolia.g.alchemy.com/v2",
+    baseApiUrl: "https://graphql-sepolia.looksrare.org",
+    osApiUrl: "https://testnets-api.opensea.io",
+    cdnUrl: "https://static-sepolia.looksnice.org",
+    rewardsSubgraphUrl: "https://api.thegraph.com/subgraphs/name/0xjurassicpunk/looks-distribution",
+    cloudinaryUrl: "https://looksrare.mo.cloudinary.net/sepolia",
+    wsUrl: "wss://ws-sepolia.looksrare.org/ws",
+  },
   [ChainId.HARDHAT]: {
     label: "Hardhat",
     appUrl: "http://localhost:3000",
diff --git a/src/types.ts b/src/types.ts
index 622fad5..f66831f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -22,6 +22,8 @@ export enum ChainId {
   HARDHAT = 31337,
   ARB_MAINNET = 42161,
   ARB_SEPOLIA = 421614,
+  BASE_MAINNET = 8453,
+  BASE_SEPOLIA = 84532,
 }
 
 /** ChainInfo data used to interact with LooksRare ecosystem */