Fit determines whether a budget mask leaks, not price. A $30 mask that seals against your specific face shape will out-perform a $150 mask that doesn't, so test the fit before you check the price tag.
How to test a scuba mask fit before buying?
Press the mask lightly against your face without the strap, inhale gently through your nose, and let go. A mask that seals properly stays in place on suction alone for a few seconds; if it falls off or you feel air leaking in around the edges, that shape doesn't match your face regardless of brand or price. Try this with several models in a dive shop before buying rather than ordering online sight unseen for your first mask.
Single lens vs dual lens mask for beginners?
Single-lens masks give a slightly wider, less obstructed field of view and tend to sit lower-profile against the face. Dual-lens masks are usually a touch cheaper at the budget end and easier to find in a range of small sizes for narrower face shapes. Neither one leaks less than the other, the skirt material and fit against your specific face matter far more than lens count.
How to prevent mask fogging on every dive?
New masks come with a manufacturing residue on the inside of the lens that causes persistent fogging until it's removed. Scrub the inside of the lens with toothpaste (non-gel) or a dedicated defog product and a soft cloth before the first dive, this single step fixes most "my mask always fogs" complaints. For ongoing use, a drop of baby shampoo or dedicated anti-fog spray rubbed on and rinsed before each dive keeps it clear.
FAQ
Why do cheap masks leak more than expensive ones? They don't, necessarily. Leaking comes from a poor seal against your specific face shape, not a fixed price threshold. A budget mask with a silicone skirt that matches your face will out-seal an expensive mask that doesn't.
Does mask color affect underwater visibility? Marginally, and mostly for photography, not for you. A black silicone skirt blocks peripheral light and glare better than a clear skirt, which some divers find reduces distraction; a clear skirt lets in more ambient light around your face, which some photographers prefer for composing shots. Neither meaningfully changes what you see through the actual lens.
How much should a beginner budget for a decent mask? A functional, well-sealing mask is available at the lower end of the market; spending more mainly buys wider lens curvature, lower internal volume, or a nicer strap, not a better seal. Fit test in person before assuming a higher price guarantees a better result.