Tracklist
| A | Underwater | 2:03 |
| B | Beware Below | 2:19 |
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 314 | The Frogmen | Underwater (7", Single) | Candix | 314 | US | 1961 |
| 314 | The Frogmen | Underwater / The Mad Rush (7", Single, Promo) | Candix | 314 | US | 1961 |
| A-1009 | The Frogmen | Underwater / The Mad Rush (7", Single, RE) | Astra Recording Company | A-1009 | US | Unknown |
| M.17174 | The Frogmen | Underwater (7", Single) | London Records Of Canada Ltd. | M.17174 | Canada | 1961 |
