How much is Seaking 21/109 worth?

About $24.68 (TCGplayer market price, 2026-10-15). Graded copies sell for more.

What set is Seaking 21/109 from?

Ruby & Sapphire (EX), released July 1, 2003.

Is Seaking the most valuable card in Ruby & Sapphire?

No, it is the 42nd most valuable of the 109 cards; the top card is Mewtwo ex 101 at $677.

Pokémon sets › Ruby & Sapphire › Seaking

Illus. Hajime Kusajima · © Pokémon / Nintendo / Creatures / GAME FREAK. Shown for identification.

Seaking 21/109

Ruby & Sapphire · Rare · illustrated by Hajime Kusajima

$24.68TCGplayer market price, 2026-10-15

+9%last 30 days (Cardmarket trend vs 30-day average)

#42 of 109most valuable in Ruby & Sapphire

TCGplayer eBay Graded on eBay

What Seaking 21 is worth

Seaking 21/109 sells for about $24.68 ungraded in near-mint condition. It is the 42nd most valuable card in Ruby & Sapphire, and a small part of the set's total value. The typical (median) Rare in this set goes for $19.37, so this card sells at 1.3 times that. Among all 16 Seaking cards, it ranks 3rd by price. On Cardmarket its price has risen 9% against its 30-day average.

Seaking price by printing

Printing	Price	Source
Normal	$1.06	TCGplayer market, 2026-10-15
Reverse Holo	$24.68	TCGplayer market, 2026-10-15
Any printing (Europe)	$0.78 €0.7	Cardmarket trend
Cheapest listing (Europe)	$0.10 €0.09	Cardmarket low

Recent Seaking sales

Average sale price (Cardmarket)	USD	EUR
Last 30 days	$0.72	€0.64
Last 7 days	$0.78	€0.7
Last day	$0.56	€0.5

Euro prices converted at the European Central Bank rate of 2026-10-30 (1 EUR = 1.1172 USD).

Seaking card details

Set	Ruby & Sapphire (EX, RS)
Number	21/109
Rarity	Rare
Card type	Stage 1 Water
HP	70
Evolves from	Goldeen
Attacks	Water Arrow Water Fast Stream Colorless, Colorless · 30 damage
Weakness	Lightning ×2
Retreat cost	0
Illustrator	Hajime Kusajima
Released	July 1, 2003
Printings	Normal, Reverse Holo, No E Reader Normal

How to tell you have this card

Look at the bottom of the card: it should read 21/109 next to the set code RS, and the rarity is Rare. The illustrator credit reads Hajime Kusajima. Not sure which set your card is from? Compare the symbol with our set symbol guide.

Other Seaking cards

Seaking 59 Aquapolis — **Seaking** $82.82
Aquapolis 59

Seaking 24 Deoxys — **Seaking** $43.24
Deoxys 24

All 16 Seaking cards with prices →

More valuable Ruby & Sapphire cards

All Ruby & Sapphire chase cards → · Full Ruby & Sapphire card list

Prices in US dollars: TCGplayer market prices (via pokemontcg.io) where recent, otherwise the Cardmarket trend (via TCGdex) converted at the day's ECB rate. Ungraded, near-mint. Prices change daily; check the live listing before you buy or sell.