Barbie Ocean Discovery is a Game Boy Color action-adventure game from Mattel Interactive. The game sends Barbie into an underwater treasure mystery centered on solving the secret of the missing treasure.

• Cleaned, tested, and guaranteed to play. Authentic cartridge.
• Action-adventure gameplay built around ocean exploration and light mystery-solving.
• Features Barbie in a marine-themed setting with dolphins, sea life, and underwater discovery elements.
• The missing treasure premise gives the game a clear objective beyond standard mini-game play.
• Part of the Game Boy Color library of licensed Barbie games from the late 1990s handheld era.

The ocean theme sets this entry apart from fashion, sports, and pet-focused Barbie games on Nintendo handhelds.