That's beyoootiful! Based off my limited knowledge of marine aquascaping Id say that would be tough to pull off.
29 Gallon Marine tank, with refugium, skimmer. Base rock, coral skeletons. Stock: Baby Ocellaurus Clown, young Saddled Toby, 3 Hermit crabs,one 2 inch Bristle Worm, hitch hiking starfish.
10g Biotope. 3 C. Travancoricus (Dwarf Puffer) Some Ghost shrimp, gravel/sand substrate, heavily planted with Swords and Java Moss.
10g LR Culture Tank. 10+ pounds fiji LR / base rock. Assorted hitch hiking inverts
Some FW tanks.
In My Experience, Fishkeeping is like Cooking. Five or ten basics will keep anyone from getting sick. But to be truly magnificent... You have to know the right Recipies.
My Puffers: Puffers I have kept: T lineatus T miurus A modestus T biocellatus C valentini C coranata C papuan C lorteti DPs suvattii burrfish T niphobles