Yes, you can disable a Marketplace. By disabling a Marketplace, you would not acknowledge any new order and make no new inventory updates to that Marketplace.
**Note that disabling a Marketplace will not remove its definition from your store. It will only make the Marketplace disappear from the list of your sales channels.
To disable a channel, follow the below steps:
- Go to User Profile tab -> Select Settings
- Click on Marketplace Accounts tab -> Choose Marketplace accounts and Click on gear icon to disable your Channel accounts