The Royal Unova

The Royal Unova is a boat found at the dock by the Pokémon Centre in Castelia City. Until you beat the game, you cannot access this boat. However, once you have received the National Pokédex, you will be able to access it. The Royal Unova sets sail once a day, with it's sailing time varying between season.
Spring: 17:00-19:59
Summer: 19:00-20:59
Autumn: 17:00-19:59
Winter: 16:00-18:59
It costs you 1,000 PokéDollars to get on. However, there is a catch. There is a time limit to being on the boat. Once that time limit is passed, the boat redocks at Castelia City and you get given an item based on the trainers you defeated

The Deck

The first bit you'll see are some stairs in which you can climb and get on the deck of the ship. This feature allows you to then watch as the Royal Unova does its journey along the water. It goes under the Sky Arrow Bridge and all the way up to the Marvelous Bridge before looping down and getting back to Castelia City. This feature fully shows off the game's 3D rendering engine

Trainers

In the various rooms of the Royal Unova are numerous characters and trainers. Some will offer you battles, while others will give you a variety of items afterwards. The trainers that battle you will give you a good chunk of money and can be rebattled each day with different ones battling you on different days so be sure to keep coming back.

The items you can receive on the Royal Unova are as follows;

Picture	Name	Effect	Day + Trainers Defeated
	Lava Cookie	Lavaridge Town's local specialty. It heals all the status problems of one Pokémon.	Monday - Four Trainers Wednesday - Four Trainers Friday - Four Trainers.
	Berry Juice	A 100% pure juice made of Berries. It restores the HP of one Pokémon by just 20 points.	Tuesday - Three Trainers.
	Old Gateau	Old Chateau's hidden specialty. It heals all the status problems of a single Pokémon.	Thursday - Five Trainers.
	RageCandyBar	A delicacy from the Johto Region. Heals all status problems.	Saturday - Six Trainers.
	Rare Candy	A candy that is packed with energy. It raises the level of a single Pokémon by one.	Sunday - Seven Trainers.

Below is a list of all the trainers you can battle within the Royal Unova.

Elite Trainer Marina	Rotom	Butterfree	Alomomola
Items	Level 65	Level 65	Level 65
	Attacks: Electro Ball Hex Charge Discharge	Attacks: Safeguard Captivate Bug Buzz Quiver Dance	Attacks: Helping Hand Wide Guard Healing Wish Hydro Pump

Elite Trainer Hiroto	Tauros	Wailord
Items	Level 66	Level 66
	Attacks: Take Down Swagger Thrash Giga Impact	Attacks: Amnesia Dive Bounce Hydro Pump

Lass Tomo	Chingling	Wormadam
Items	Level 64	Level 64
	Attacks: Confusion Uproar Last Resort Entrainment	Attacks: Flail Attract Psychic Leaf Storm

Rich Boy Hiroki	Aipom	Murkrow
Items	Level 64	Level 64
	Attacks: Double Hit Fling Nasty Plot Last Resort	Attacks: Foul Play Tailwind Sucker Punch Torment

Rich Girl Hadzuki	Meowth	Vulpix	Eevee
Items	Level 63	Level 63	Level 63
	Attacks: Assurance Captivate Night Slash Feint	Attacks: Purgatory Grudge Extrasensory Fire Blast	Attacks: Baton Pass Take Down Last Resort Trump Card

Lady Mitsuyo	Liepard	Arbok
Items	Level 64	Level 64
	Attacks: Night Slash Snatch Nasty Plot Sucker Punch	Attacks: Gastro Acid Haze Coil Gunk Shot

Gentleman Robert	Houndour	Noctowl	Houndoom
Items	Level 63	Level 63	Level 63
	Attacks: Flamethrower Crunch Nasty Plot Purgatory	Attacks: Synchronise Extrasensory Psycho Shift Roost	Attacks: Foul Play Flamethrower Crunch Nasty Plot

Maid Yukiko	Emolga
Items	Level 65
	Attacks: Encore Volt Switch Agility Discharge

Business Man Ryouta	Ariados	Floatzel
Items	Level 64	Level 64
	Attacks: Pin Missile Psychic Poison Jab Cross Poison	Attacks: Agility Whirlpool Razor Wind Aqua Tail