Clear Vision Underwater
Our Rx snorkel masks and Rx dive masks are fitted with prescription lenses matched to your diopter strength, giving you crisp, clear vision the moment you submerge.
Your Prescription, Your Way
Choose your left and right lens strength independently across all our Rx scuba masks and Rx snorkel masks, so your vision is dialled in on both sides.
See the Reef Properly
A comfortable watertight fit and a lens matched to your vision means you can focus on the fish, the coral, and everything in between.
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Vendor:Oceans Optics$70.00 USD -
Vendor:Oceans Optics$70.00 USD -
Vendor:Oceans Optics$85.00 USD
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SALEVendor:Oceans Optics$94.00 USD$84.60 USDSALE -
SALEVendor:Oceans Optics$94.00 USD$84.60 USDSALE -
Vendor:Oceans Optics$70.00 USD -
Vendor:Oceans Optics$70.00 USD -
SALEVendor:Oceans Optics$75.00 USD$70.00 USDSALE -
Vendor:Oceans Optics$60.00 USD
Want to find your perfect fit?
FREE Find My Mask Quiz
Answer 5 questions and we will recommend you the best fit for your face.
Prescription dive masks & snorkel masks
See the reef the way it was meant to be seen. Our prescription dive masks and prescription snorkeling masks (RX masks) put your exact diopter into a comfortable, well-sealing frame.
So you can skip contacts, skip renting a gross mask that won’t have your prescription, and avoid missing that turtle or puffer fish cruising by. Contacts can dry out in saltwater and trap sand; an RX mask gives you crisp vision the moment you hit the water.
Nearsighted Vs Farsighted: Which Prescription Mask to Choose?
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Nearsighted/Shortsighted (Myopia)Shop NearsightedIf things in the distance look blurry, like coral reefs, fish, or boats, you’re likely nearsighted. Our minus (-) prescription lenses bring far-away details into focus, so you can see the underwater world clearly while still keeping close-up vision sharp.
About 1 in 3 Americans are Nearsighted!
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Farsighted (Hyperopia / Presbyopia)Shop FarsightedIf you see clearly far away but struggle to focus on things up close, like your gauges, camera, or the fish right in front of you, you’re likely farsighted.
Our plus (+) prescription lenses help bring everything into focus at once, making it easier to see clearly both near and far underwater.
Use Our Exclusive Underwater Lens Calculator Tool
Underwater, light bends differently and can make your usual prescription feel too strong.
We lower it slightly to prevent overmagnification and keep your vision clear.
Step 1: Enter your prescription to determine your recommended underwater vision
Use [−] minus for Myopia (nearsighted/shortsighted), [+] plus for hyperopia/presbyopia (farsighted/longsighted).
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What customers think about the store
Store specializes in prescription dive/snorkel masks with custom lenses. Customers praise accurate prescriptions, fast delivery (often early), excellent quality at affordable prices, and responsive customer service. Quick turnaround, helpful guidance on prescr...
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Rx Snorkel Mask FAQ
What is an Rx snorkel mask?
An Rx snorkel mask is a snorkeling or diving mask fitted with prescription lenses matched to your vision. Instead of struggling to see underwater or trying to wear contacts in the ocean, you get clear, corrected vision built directly into the mask. Our Rx masks are available for both nearsighted and farsighted prescriptions.
Can I use an Rx dive mask for scuba diving as well as snorkeling?
Yes. Every Rx dive mask in our range uses HD tempered glass lenses and is rated for scuba diving up to 100 ft (30 m). Whether you are snorkeling on the surface or on a full scuba dive, the mask performs the same way.
What is the difference between an Rx scuba mask and a regular dive mask?
A regular dive mask has plain flat lenses. An Rx scuba mask has optically ground lenses matched to your prescription so you can see clearly underwater without contacts or glasses. The frame, seal, and strap are identical to a standard mask. The only difference is the lenses.
Do I need a nearsighted or farsighted Rx mask?
Check the SPH column on your glasses or contact lens prescription. If the number has a minus sign (e.g. -3.00), you are nearsighted and need a minus lens Rx mask. If it has a plus sign (e.g. +2.00), you are farsighted and need a plus lens mask. Not sure? Email us at info@oceansoptics.com and we will confirm for you.
Will my Rx mask lenses match my glasses prescription exactly?
Not exactly, and that is intentional. Water creates natural magnification, so wearing your full glasses prescription in an Rx dive mask often feels too strong. We reduce the lens strength by around 0.50 diopters to keep vision feeling natural and comfortable underwater. Our lens calculator on each product page works this out for you automatically.
What prescription strengths do your Rx masks cover?
Nearsighted Rx masks are available from -1.00 to -9.00 depending on the model. Farsighted Rx masks are available in whole steps from +1.00 to +5.00. Each product page shows the exact range available for that mask. If your prescription falls outside the range shown, contact us and we will find the best option for you.
Can I have different lens strengths for each eye in my Rx mask?
Yes. You select the left and right lens strength separately at checkout, so asymmetric prescriptions are fully supported across all our Rx masks.
Which Rx snorkel mask is right for me?
It depends on your face size and prescription range. The Rx Obsidian fits medium to large faces and covers the widest prescription range, making it our most popular Rx snorkel mask. The Rx Rover suits smaller faces. The Rx Lumix is our premium aluminum-frame option. Use our free mask quiz or email us and we will point you in the right direction.