Where to find Seadra in HeartGold & SoulSilver

Super Rod: Seafoam Islands (15%), Whirl Islands (10%)
Surf: Whirl Islands (10%)

• Seafoam Islands (B4F) — Super Rod
• Whirl Islands (1F, B2F) — Super Rod, Surf

Seadra in every game · Pokémon HeartGold & SoulSilver interactive map (Johto & Kanto)