Can You Turn an Airplane into a Submarine in Wii Sports Resort? No Transformation Mechanics Exist

No. Wii Sports Resort has no vehicle transformation mechanics. Each sport is a separate, self-contained mode.

What the Game Actually Has

• Air Sports: Island Flyover (Plane), Skydiving, Dogfight (Swordplay DLC).
• Water Sports: Canoeing, Cycling (water), Power Cruising.
• No Submarines: There is zero underwater gameplay.

If You Want Submarine Games on Wii

• Endless Ocean / Endless Ocean 2: Scuba diving exploration.
• Submarine Simulator (Homebrew): Requires Homebrew Channel.
• Other Platforms: Subnautica (Switch/PC), UBOAT (PC), Silent Hunter series (PC).

Wii Sports Resort is a surface-level sports collection—no hidden transformation unlocks.