You can play Cottage Cove by adding the server in the Minecraft launcher.
On Minecraft Bedrock Edition, open the Minecraft launcher or Minecraft app. Go to the “Servers” tab and press “Add Server.” Enter the Cottage Cove IP Address 54.39.239.252in the “Server Address” and the Cottage Cove port 19132 in the “Port.” Then press “Save” and start playing.