Are you not satisfied with 4 creative plots? Well, you can purchase up to 5 creative plots for $3 each, enough to expand your plot to a 3x3 size for $15, or claim elsewhere to have a 2x2 plot for $12.
The plots will be added to your account when you are online on the Hub server.
1 Creative Plot
Add 1 creative plot to your claim limit, so that you can claim an extra plot using /plot claim. Each plot in Creative server is 54x54 blocks size.