JustBeginning
Beginner's guide

So you're getting into scuba diving

Scuba has the most intimidating gear list of any sport you'll consider. Regulators, BCDs, dive computers, wetsuits — it sounds like a $3,000 project before you've even gotten wet. The good news: most of that gear you don't need to own before your first year, and the piece that matters most — your mask — costs about $60. Here's the order of operations.

By Colin B. · Published May 23, 2026 · Last reviewed May 23, 2026
a woman scubas over a colorful coral reef

Photo by NEOM on Unsplash

The 60-second version

If you only buy 3 things to start:

  1. Cressi F1 Frameless Scuba Diving Mask — The Cressi F1 — wide-angle single lens, seals reliably on most faces, the cleanest starter mask you can buy.
  2. Cressi Fast 5mm Men's Wetsuit — A 5mm full wetsuit handles most recreational diving conditions — the one exposure-protection piece worth owning early.
  3. Cressi Leonardo 2.0 Dive Computer — The Cressi Leonardo — the easiest dive computer to learn on, at a price that doesn't sting.
Budget total
$300
Typical total
$900
Mask, fins, and wetsuit are worth owning from the start: ~$300. A full setup with BCD, regulator, and computer runs $900–1,500. Buy in phases — rent the expensive pieces until you're certified and know your preferences.
At a glance

Our top pick in each category

The fastest path through this guide — each best-starter pick by category. Scroll for the budget and upgrade alternatives.

CategoryTop pickPriceWhere to buy
MaskCressiCressi F1 Frameless Scuba Diving Mask$$ See on Amazon →
FinsCressiCressi Palau Short Adjustable Fin$$ See on Amazon →
WetsuitCressiCressi Fast 5mm Men's Wetsuit$$$ See on Amazon →
BCDCressiCressi Start BCD$$$ See on Amazon →
RegulatorCressiCressi T10-SC Cromo Regulator$$$ See on Amazon →
Dive ComputerCressiCressi Leonardo 2.0 Dive Computer$$ See on Amazon →
Before you buy anything

A few things worth knowing first

Get your Open Water certification before buying expensive gear. Certification courses (PADI, SSI, NAUI) include all rental equipment; your first 20+ dives are fully doable on shop gear. You'll understand your preferences — wet vs. drysuit, jacket vs. back-inflate BCD, short blade vs. long blade fins — far better after cert than before.

Your mask is the one piece of gear you should own from day one. Fit is personal: a mask that seals on one person floods on another. Hold the mask to your face without the strap and inhale through your nose — it should stick. If it falls, it'll leak underwater. Buy from somewhere with easy returns, test it dry at home, and exchange if needed.

Regulators and BCDs are high-cost, preference-heavy items that every dive shop rents readily. There's no reason to own them before you've certified and done 10–20 dives. Mask, fins, and wetsuit are the personal-fit items worth buying early; everything else can wait.

The gear

What you actually need

Scuba diver wearing mask and breathing apparatus underwater

Photo by WILLIAN REIS on Unsplash

Mask

Your mask is the most personal piece of dive gear — and the one to buy first, before anything else. A leaking mask ruins dives. The critical spec is fit: press the mask to your face (no strap), inhale through your nose, release. It should stay. Single-lens wide-angle masks give you the best field of view. Dual-lens masks (split across the nose) have lower internal volume and are easier to clear when they flood — which they will, while you're learning.

Best starter
Cressi

Cressi F1 Frameless Scuba Diving Mask

$$

Cressi makes some of the most widely used beginner dive gear on the planet, and the F1 earns its reputation. Single wide lens for panoramic visibility, tempered glass, and a soft silicone skirt that seals reliably on most face shapes. Comes with a matching snorkel if you want a bundle. A mask you'll use for years at a price that doesn't make the decision feel heavy.

Watch out for: No mask fits every face. If it floods consistently after a few dives, the issue is fit — try a dual-lens mask instead (smaller internal volume, different skirt shape).

See on Amazon →
Budget pick
Cressi

Cressi Big Eyes Evolution Mask

$

Cressi's classic dual-lens mask — around $40, widely available, and what many instructors hand students because of its low internal volume. Low volume means easier to clear when it floods, and it will flood while you're learning. Not as panoramic as the F1, but forgiving and completely trustworthy.

See on Amazon →
Upgrade pick
Tusa

Tusa Freedom Ceos Mask

$$$

When you're ready to invest in something that'll last decades, the Tusa Freedom series is where experienced divers land. Frameless silicone skirt, ultra-low volume, exceptional seal across a wide range of face shapes. A common upgrade mask for divers who've worn through two or three cheaper ones.

Watch out for: Frameless masks have no rigid frame to grip when clearing water — the clearing technique feels different at first. Practice in a pool before relying on it.

See on Amazon →

Fins

Fins come in two types: open-heel (worn with dive booties, adjustable heel strap) and full-foot (slip-on, like a shoe). Open-heel fins are the default for most beginner courses and cooler-water diving — booties protect your feet on rocky entries and the strap adjusts for a precise fit. Full-foot fins are for warm tropical water where you don't need booties and want to pack light. If you're learning in the US or Europe, start with open-heel.

Best starter
Cressi

Cressi Palau Short Adjustable Fin

$$

The Palau is a top recommendation for beginners because it does everything right without doing anything fancy. Wide blade for reliable thrust, a spring strap that snaps on and off without bending over, and a price that doesn't feel like a commitment. The spring strap is a small upgrade that you'll appreciate on every dive — traditional heel straps tangle and break.

Watch out for: You'll need 3mm or 5mm dive booties to wear with open-heel fins — budget $30–50 for a pair and size your fins to fit over them.

See on Amazon →
Specialty pick
Mares

Mares Avanti Quattro Full Foot Fin

$$

If your first dives are going to be tropical warm-water (a very common beginner path — a week in Cozumel or the Keys), full-foot fins travel better and feel more natural without booties. The Mares Avanti Quattro is a dive instructor favorite for its channel thrust design — you feel the difference from a cheap fin after one dive.

Watch out for: Full-foot fins should fit like a firm shoe. Size up if you're between sizes — a fin that's even slightly too tight cramps by dive two.

See on Amazon →

Wetsuit

Wetsuit thickness is almost entirely determined by water temperature. A 3mm suit is for tropical diving above 75°F (24°C). A 5mm handles temperate water at 65–75°F (18–24°C). A 7mm — or a drysuit — covers cold water below 60°F (15°C). If you're learning in the Caribbean, you may not need a wetsuit at all. If you're learning in California, the Northeast, or Europe, start with a 5mm full suit. Fit matters as much as thickness: a baggy wetsuit traps cold water and saps warmth fast.

Wetsuit — what's the difference?

A few common shapes, each making a different trade.

3mm

Tropical diving above 75°F (24°C). More about protection from scrapes than cold.

Water temp
75°F+ (24°C+)
Destinations
Caribbean, SE Asia, Hawaii
Warmth
Light

Best for Warm-water dive trips: Cozumel, Bali, Great Barrier Reef

Tradeoff No insulation value in cooler water; you'll be cold below 65°F

↓ See our pick
5mm

Temperate water at 65–75°F (18–24°C). The all-rounder most divers start with.

Water temp
65–75°F (18–24°C)
Destinations
Florida, Mediterranean, California summer
Warmth
Moderate

Best for Most US coastal diving, year-round temperate-water travel

Tradeoff Hot in the tropics in high summer; not enough for true cold water

↓ See our pick
7mm / Drysuit

Cold water below 60°F (15°C). Pacific Northwest, British Isles, Great Lakes.

Water temp
Below 60°F (15°C)
Destinations
Pacific NW, UK, Great Lakes
Warmth
Maximum

Best for Cold-water wreck diving, northern-latitude destinations

Tradeoff Drysuits require a specialty cert and cost $1,500+; 7mm restricts arm movement noticeably

Best starter
Cressi

Cressi Fast 5mm Men's Wetsuit

$$$

A 5mm full suit is the most versatile starting point — handles most recreational conditions and adds a meaningful safety margin at depth where water is always cooler. Cressi's construction is solid, the zippers hold up to years of weekly diving, and it's available in women's cuts too. The one to get if you're not sure what conditions you'll be diving.

Watch out for: It should feel like a second skin — snug everywhere but not painful. A wetsuit that's too loose lets water flush through and negates the insulation.

See on Amazon →
Budget pick
Seavenger

Seavenger 3mm Odyssey Wetsuit

$$

If your diving is going to be warm-water tropical and you need protection from scrapes and sun more than cold, a 3mm like this Seavenger is the right call. Under $70, well-constructed for the price, and available in a wide range of sizes. The entry price is low enough that if the fit isn't perfect, you haven't lost much.

See on Amazon →
Upgrade pick
Aqualung

Aqua Lung Aquaflex 5mm Men's Wetsuit

$$$

Aqua Lung's Aquaflex uses higher-grade neoprene — the stretch is meaningfully better than budget suits, which means less restriction of your arms and shoulders over a long dive. If you're diving more than twice a month, the comfort difference is worth the price premium.

Watch out for: Higher-stretch neoprene is slightly less durable than stiffer alternatives. Rinse it carefully after every dive and hang dry out of direct sun.

See on Amazon →

BCD

Your BCD (Buoyancy Control Device) is the vest that keeps you neutrally buoyant underwater and positively buoyant at the surface. For beginners, a jacket-style BCD is the easiest to learn on — it wraps around you like a vest and inflates on all sides evenly, which feels more natural. After 50–100 dives, many divers switch to back-inflate for better trim, but that's a problem for a year from now. Buy after you certify, not before.

Best starter
Cressi

Cressi Start BCD

$$$

The Cressi Start is designed for Open Water students and is what many PADI-affiliated dive schools stock as rental gear — which tells you a lot about its durability. Jacket style, pockets and D-rings for a beginner's accessories, robust inflator, and straightforward dump valves. Simple to operate, which matters when you're managing a regulator and a new environment.

Watch out for: Jacket BCDs hold you slightly more upright in the water. This feels natural while learning but can build lazy trim habits — try to stay conscious of your horizontal position from dive one.

See on Amazon →
Upgrade pick
Aqualung

Aqualung Pro HD BCD

$$$$

After cert and 20–30 dives, the Aqualung Pro HD is where most recreational divers who take the hobby seriously end up. Integrated weight pockets (faster to adjust weighting between dives), multiple D-rings for accessories, and Aqualung's reliable inflator system. A BCD you can dive for a decade.

Watch out for: Practice releasing and securing the integrated weight pockets in a pool before using them on a real dive — dropping your weights mid-dive is a very exciting experience.

See on Amazon →

Regulator

Your regulator converts tank pressure to breathable air — the most life-critical piece of equipment you'll own. It's also the category we most strongly recommend renting before buying. Regs are expensive, preference-driven, and need annual servicing. Most divers certify and do 20+ dives on rental regs before buying. When you're ready, mid-range regulators from established brands (Cressi, Scubapro, Aqualung, Mares) are all reliable — the differences between them are breathing effort and comfort, not safety.

Best starter
Cressi

Cressi T10-SC Cromo Regulator

$$$

The T10-SC Cromo is Cressi's reliable mid-range first stage paired with the Master Cromo second stage. Balanced diaphragm design performs dependably to recreational limits (130 ft/40 m), and Cressi's service network makes annual maintenance straightforward. A solid starter regulator at a fair price — add an octopus (backup second stage) separately, which any Cressi dealer stocks.

Watch out for: Does not include an octopus (backup second stage) — purchase one separately before your first open-water dive. Service annually; budget $60–100/year for maintenance.

See on Amazon →
Upgrade pick
Scubapro

Scubapro MK11/C370 Regulator

$$$$

When you're ready to invest in a regulator that'll serve you for 15 years, Scubapro's mid-range is the standard recommendation from working dive instructors. The MK11 first stage is overbuilt for recreational depths and simple to service; the C370 second stage has a breathing feel that beginners mistake for calm but is actually just good engineering.

Watch out for: The C370 is an unbalanced second stage — fine for recreational depths, but if you're considering technical diving eventually, start with a balanced second stage instead.

See on Amazon →

Dive Computer

A dive computer tracks your depth and time and calculates when you need to ascend to avoid decompression sickness. Most certification courses supply computers, but having your own is strongly recommended from your first post-cert dive — rental computers aren't calibrated to your specific dive profile. Dive computers are cheap enough now that there's no good reason to share. For a first computer: wrist-mounted beats console, simple display beats flashy.

Best starter
Cressi

Cressi Leonardo 2.0 Dive Computer

$$

The Leonardo is the most frequently recommended beginner dive computer for a simple reason: it does the job without confusing you. Clean display, conservative algorithm (appropriate for new divers), replaceable battery you can swap yourself, and a price under $200. It doesn't connect to your phone or track your heart rate — it tells you depth, time, and when to ascend. That's what you need.

Watch out for: No download capability and no dive logging app. If you want to record your dives digitally from day one, step up to the Suunto Zoop Novo instead.

See on Amazon →
Budget pick
Suunto

Suunto Zoop Novo Wrist Computer

$$

Suunto is one of the two most trusted dive computer brands (Shearwater is the other, at higher prices). The Zoop Novo is their entry-level wrist computer — similar price to the Cressi Leonardo, slightly better build quality, and USB dive logging included. The right choice if you want a name brand and plan to track your dive log digitally from the start.

See on Amazon →
Upgrade pick
Shearwater

Shearwater TERIC Dive Computer

$$$$

If you're planning to dive regularly and want a computer that grows through advanced and technical certifications, the Shearwater TERIC is the benchmark. Full-color display, air integration, multiple gas support, and software updates that keep it current for years. Expensive — but divers who buy it rarely replace it.

Watch out for: Overkill for your first year. The TERIC's advanced features take time to learn properly. Master a simple computer first, then upgrade when you know what you're buying.

See on Amazon →
Going deeper

Your first Open Water certification

Scuba diving's learning curve is front-loaded into one long weekend — your Open Water certification. By the time you surface from your fourth ocean dive, you'll have a C-card and a clear sense of whether this is your hobby. Here's what to expect, how to prepare, and how to make the most of those first dives.

Read the guide →
Save your money

What you don't need yet

Beginners get pressured to buy a lot of stuff that doesn't help them play better. Here's what we'd skip on day one.

  • A dive knife — Looks purposeful, rarely necessary. You'll want one eventually for cutting yourself free of fishing line entanglement, but not in your first year. A small line cutter is safer and more practical.
  • An underwater camera — Wait until you can hold neutral buoyancy for five minutes without thinking about it. Taking photos while learning is a great way to crash into coral and miss all the fish. Your first 20 dives should be entirely focused on technique.
  • A drysuit — Drysuits require a separate specialty certification and cost $1,500 and up. Unless you're planning cold-water diving specifically, start with a 5mm wetsuit. You'll know within your first year whether you need one.
  • A dive light — Useful for night dives and penetration diving, but beginners should do neither. A light makes sense around your second or third certification level.
  • Nitrox fills — Enriched air extends your bottom time and reduces post-dive fatigue, but requires a separate certification. Stick to air for your first 25 dives, then take the Nitrox specialty course when your bottom time actually matters to you.
First week

Your first seven days

A short, real plan to get from gear-on-doorstep to actually playing.

  1. Find a PADI or SSI Open Water certification course near you — this is step one before any gear purchase. · Action
  2. Order a mask and test the fit at home the day it arrives — this is the one piece you want before your first pool session. · Buy
  3. Read DAN's medical FAQ before you certify — it's the clearest summary of who can and can't dive safely, and worth knowing in advance. · Learn
    • DAN medical FAQ · Divers Alert Network — the safety authority in recreational diving
  4. Sign up for your Open Water course. Most run over a long weekend (2 pool sessions + 4 ocean dives) or across 2–3 weeks of evenings. Both formats work equally well. · Action
  5. Don't buy a BCD, regulator, or wetsuit until after you've completed your certification dives. Rental gear covers everything you need, and you'll make much better purchasing decisions once you know what you actually prefer. · Action
FAQ

Common questions

How much does it cost to get into scuba diving?

An Open Water certification course runs $300–600 depending on your location and instructor. Your first personal gear purchases (mask, fins, maybe a wetsuit) add another $150–300. Hold off on buying a BCD and regulator until after you're certified — rental gear covers your first 20+ dives, and you'll make far better purchasing decisions once you know your preferences.

Do I need to buy gear before my certification course?

Only your mask. Mask fit is personal — a rental mask that leaks is genuinely miserable and distracts you from learning. Buy a mask, test the fit at home, and bring it to the pool session. Rent everything else through certification.

Is scuba diving dangerous?

Recreational diving within Open Water limits has an excellent safety record. The risks are real but predictable and manageable: ascending too fast, running low on air, ignoring no-decompression limits. Your Open Water course teaches you exactly how to avoid all of these. The biggest risk factor for beginners is ignoring the rules — so don't.

PADI, SSI, or NAUI — which certification should I get?

It doesn't matter much. PADI is the most widely recognized globally — easiest to use your card at dive operators worldwide. SSI is equivalent and often cheaper. NAUI is older and more thorough but harder to find instructors for. Choose based on which local shop you trust most. Instructor quality matters more than the agency name.

Can I dive if I'm not a strong swimmer?

You need basic swimming ability — not speed, but comfort. The Open Water test requires swimming 200 meters unassisted and treading water or floating for 10 minutes. If you can't do that yet, a few weeks of adult swim lessons will get you there quickly.

What's the difference between a BCD and a drysuit?

Very different things. Your BCD is the vest that controls buoyancy underwater — every diver uses one. A drysuit is a cold-water thermal option that keeps you completely dry by sealing at the wrists and neck; it replaces a wetsuit, not the BCD. Most beginners don't need a drysuit. A 5mm wetsuit handles the vast majority of recreational diving.

Going further

Where to next

Related hobbies

Browse by category

Authoritative sources

  • PADI — The world's largest dive training organization. Their course finder locates instructors near you; their C-cards are accepted at dive operators worldwide.
  • SSI (Scuba Schools International) — PADI's main competitor. Equivalent training standards, fully digital certification — your card arrives in an app, which is convenient for travel.
  • DAN (Divers Alert Network) — The safety and research authority in recreational diving. Their dive accident insurance ($30–40/year) covers hyperbaric chamber treatment if you ever get decompression sickness. Widely considered essential once you're diving regularly.
  • Scuba Diving Magazine — Destination features, gear reviews, and technique content. The destination articles are especially useful for planning your first dive trip.
  • r/scuba — Active, welcoming subreddit. Read the wiki before posting gear questions — most common questions have excellent existing threads. Good for local dive site recommendations.
  • Undercurrent — Subscription-based consumer advocacy publication for divers (no advertising, no sponsored content). The most unbiased gear reviews and destination safety reports you'll find. Worth the $30/year once you're diving regularly.

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