
Items included with the tank. Sump fit is treated as auto-pass when building with a package tank.
The full sheet — every number we check a build against.
- L × W × H
- 30"×18"×17"
- Net (display) volume
- 40 gal (151 L)
- Gross volume
- 54 gal (204 L)
- Thickness
- 10 mm
- Drilled
- Yes
- Sump compatible
- Yes
Where to get it
Volume drives skimmer rating, return-pump turnover, and light footprint. Picking this tank sets a target of:
We'll check every part you add against these targets.
In the same class
Frequently asked
What are the key specs of the Eshopps Mariner M40?
Net volume: 40 gal (151 L). Dimensions: 30"×18"×17". Glass: 10 mm. Drilled: Yes.
How much does the Eshopps Mariner M40 cost?
The Eshopps Mariner M40 lists at around $1,699. That is the manufacturer's figure — ReefPicker has no retailer offer for it in your region yet, so treat it as a guide rather than a price you can pay today.
What equipment do I need for the Eshopps Mariner M40?
Based on its volume and footprint, the Eshopps Mariner M40 calls for a return pump rated ≈317 gph, a skimmer rated for 59 gal, lighting that covers a 30.0" footprint. Add it to a build on ReefPicker to see every matching part checked against it.



