Prices last updated 21 August 2026 · How we price →
All Sea Pokémon Cards
Every Sea Pokémon card we track, ranked by value
$34 total
10 cards
10 cards
All Sea Pokémon cards ranked by current market value — 10 cards across every set, including its EX, GX, V and other variants. Raw & graded prices.
Most valuable$14
Collect from$0.17
Appears in4 sets
Avg PSA 10 premium61.7×
National Dex#423
10 cards
Rare Holo15 listings+♡
Gastrodon East Sea
#8
Ungradedhigh
$13.73
$9 → $1411 grades
Rare Holo18 listings+♡
Gastrodon West Sea
#9
Ungradedmedium
$10.93
$5 → $1114 grades
Rare5 listings+♡
Gastrodon West Sea
#22
Ungradedhigh
$3.13
$2 → $31 grades
Rare5 listings+♡
Gastrodon East Sea
#21
Ungradedhigh
$2.26
$1 → $31 grades
Common6 listings+♡
Shellos East Sea
#79
Ungradedhigh
$1.37
$1 → $22 grades
Common9 listings+♡
Shellos West Sea
#107
Ungradedhigh
$1.00
$1 → $15 grades
Common10 listings+♡
Shellos East Sea
#106
Ungradedhigh
$0.48
$0 → $06 grades
Common6 listings+♡
Shellos West Sea
#80
Ungradedhigh
$0.43
$0 → $12 grades
Common8 listings+♡
Shellos East Sea
#73
Ungradedhigh
$0.30
$0 → $03 grades
Uncommon5 listings+♡
Sea of Nothingness
#99
Ungradedhigh
$0.17
$0 → $01 grades
Where grading pays off most
Sea is a Water-type Pokémon.
Frequently asked questions
What is the most valuable Sea card?
The most valuable Sea card is the Gastrodon East Sea (Secret Wonders #8) at about $13.73 ungraded, or around $159 in PSA 10 gem mint.
How many Sea Pokémon cards are there?
CardTrack tracks 10 priced Sea cards across 4 sets, with a combined ungraded value of around $34.
What's the cheapest Sea card?
The cheapest Sea card CardTrack tracks is worth about $0.17 ungraded — a good starting point for collecting the species.