Undersea Ruins
SetAquapolis
Year2003
RarityUncommon
Number#138
Ungraded
$4.50−$0.50
17 sales · last Jul 20, 2026
PSA 9
$25.89
2 sales · last Apr 26, 2026
CGC 9.5
$4.25
1 sales · last May 23, 2026
Undersea Ruins price guide
Undersea Ruins is a collectible Pokémon card from the Aquapolis expansion (2003). Setlot tracks 20 recorded sales for this card across 3 grade tiers, 5 of them in the last 90 days. CGC 9.5 copies have a 90-day median of $4.25. Ungraded copies currently trade around $4.50. The top grade commands 5.8× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $26.07 (PSA 9, Apr 26, 2026). 12 listings are live right now with asks from $4.26.
Price history
Grading premium
Median graded price vs. the ungraded copy ($4.50) — a rough read on whether grading pays off.
PSA 9
5.8×
$25.89
CGC 9.5
0.9×
$4.25
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 10 tracked | (GD) Undersea Ruins 138/147 2003 Aquapolis Trainer/Stadium Pokemon Card supernerdjohn | eBay | 3mo ago | $4.26↗ |
| Nm Pokemon Aquapolis 138/147 Undersea Ruins Card pokemoninvestment | eBay | 3mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 5 | $4.50 | $3.99 – $5.49 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 20, 2026 | Ungraded | Trainer - Undersea Ruins - 138/147 - Aquapolis - Pokémon TCG - 2002 - NM↗ | eBay | $4.50 |
| Jul 11, 2026 | Ungraded | Trainer - Undersea Ruins - 138/147 - Aquapolis - Pokémon TCG - 2002 - LP↗ | eBay | $3.99 |
| Jul 4, 2026 | Ungraded | Undersea Ruins 138/147 Uncommon Aquapolis Pokemon Lightly Played↗ | eBay | $5.49 |
| Jul 1, 2026 | Ungraded | Trainer - Undersea Ruins - 138/147 - Aquapolis - Pokémon TCG - 2002 - NM↗ |
