Seaking #21 Pokemon EX Ruby & Sapphire

Seaking #21 — EX Ruby & Sapphire
Current Market Price
€0.37
(as of 6 May 2026, in Good condition)
DemandVery Low
SupplyVery Low
LiquidityVery Low

Prices by Condition

estimated
ConditionPrice
Near Mint€0.93
Excellent€0.52
Good€0.37
Light Played€0.29
Played€0.23
Poor€0.16

Card Information

Pokemon
Seaking
Number
#21 / 109
Set
EX Ruby & Sapphire
Rarity
Rare
HP
70
Type
Water
Stage
Stage1
Evolves from
Goldeen
Retreat
0
Illustrator
Hajime Kusajima
Weakness
Lightning ×2
Water Arrow

Choose 1 of your opponent's Pokémon. This attack does 20 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Fast Stream
30

Move 1 Energy card attached to the Defending Pokémon to the other Defending Pokémon. (Ignore this effect if your opponent has only 1 Defending Pokémon.)

No sales recorded in the last 90 days.

Market price overview for Seaking #21 from EX Ruby & Sapphire

Current pricing

Seaking — part of the EX Ruby & Sapphire set — currently fetches €0.37 for a Good condition copy. Collectors seeking Near Mint quality will pay closer to €0.93.

Price trend

The price has risen roughly 178% compared to the 30-day average, suggesting growing demand. Over the past week alone, the price moved up by 172%.

Price history (90 days)

The price of Seaking is close to its 90-day peak of €1, well above the floor of €0.22.

Prices by condition

Want Seaking in top shape (MT)? That'll cost €2. In PO condition, you can find it for just €0.16.

Buy or sell?

The price trend is pointing upward, making this a relatively good time to sell Seaking.