GTA IV Jet Ski Cheat Code? None Exists

No cheat code spawns a Jet Ski (Wet Ski) in GTA IV. The game's cheat system only spawns specific land/air vehicles (Annihilator, NRG 900, SuperGT, etc.).

How to Get a Jet Ski Legitimately

• Marinas: Docked at West River (Acter Industrial Park, Alderney) and Charge Island (between Algonquin and Bohan).
• Beaches: Occasionally spawn at Plumber's Skyway base or Firefly Island boardwalk.
• Boat Spawn Cheat Alternative: Dial 938‑555‑0100 to spawn a Speeder (fast powerboat)—closest cheat vehicle to a personal watercraft.

Jet Skis handle uniquely (sharp turns, wave jumping) and are the fastest way to navigate the waterways. They cannot be stored at safehouse docks.