PADI Open Water in Cancun: Should You Book the 2-Day or the 3-Day?

So you have decided to get your PADI Open Water certification in Cancun. The last question is usually how long it takes, and whether to book the two day course or the three day one. Here is the honest answer from the people who actually teach it, and the short version is this: both options make you a fully certified diver for life. The only real difference is time, and what you choose to do with it.

Both courses fully certify you, and that matters

Let us clear up the most common worry first. The two day Open Water course is a complete PADI Open Water Diver certification. Nothing is skipped, nothing is rushed past, and you finish with the exact same certification card as everyone else. That card never expires, and it is recognized at dive centres all over the world. It qualifies you to rent gear, get tanks filled and dive with a buddy to eighteen metres, or sixty feet, anywhere there is water. The three day course is not the proper version and the two day is not the cut down version. Both cover every skill and every training dive PADI requires. The three day simply gives you more time in the water. Keep that in mind as you read on, because this choice is not better versus worse, it is efficient versus unhurried.

The 2 day Open Water: full certification, no wasted time

Our two day Open Water course is 556 dollars. You complete the PADI theory online before you arrive through PADI eLearning, which means both of your days here are spent in the water rather than in a classroom. The price includes all of your gear and wetsuit, tanks and weights, water and fruit on the boat, every marine park and dock fee, and DAN student insurance coverage for the duration of your training, with nothing collected at the dock.

DAN, by the way, is the Divers Alert Network, the diving world's dedicated emergency and insurance service, and having their student cover included is a genuine safety net that not every operator provides. Two full days, roughly seven hours each, and you walk away certified. It is the right call if you are reasonably comfortable in the water and want to be diving as soon as possible.

What the two days actually look like

People are often surprised how much of the course is simply diving. Once the online theory is behind you, the in water training breaks into two parts. First comes confined water, calm shallow water where your instructor introduces each skill one at a time, from clearing your mask to sharing air with a buddy, until each one feels natural. None of it is a pass or fail test, it is practice until you are comfortable. Then come the open water dives on real reefs, where you put it all together and actually go diving, spotting fish and getting used to how weightless and quiet it feels down there. There is a short, straightforward knowledge check along the way, but if you did the eLearning it holds no surprises. Most people finish their first day already grinning and a little hooked.

The 3 day Open Water Plus: same certification, more time to get good

The three day course is 676 dollars, and the extra day is not padding, it is time. Skills that get covered and signed off on a tight schedule get properly fine tuned instead. The big one is buoyancy control, the skill of hovering effortlessly in the water without sinking or floating up. It is the single thing that separates a nervous new diver from a relaxed one. Good buoyancy makes diving feel easy, keeps you safely off the fragile reef, and even makes your air last longer. It is also the skill that benefits most from unhurried practice, and the third day is exactly where that happens.

Here is the part that matters most if you are on a dive holiday and plan to keep diving after your course. That third day builds a real rapport with your instructor. By the end they know your diving, they know exactly which small things will level you up fastest, and you have the confidence in each other that makes every dive after your course better. More time in the water always makes you a better diver. There is no shortcut around that, and the three day course simply gives you more of it.

The value math nobody breaks down for you

Look at the price gap and it tells a good story. The difference between the two day and three day course is small, and for it you get an entire extra day of guided diving. Compare that day to booking a standard two tank fun dive on its own, and the third training day actually costs less, and on top of that you get your instructor's personal coaching for the whole day at no extra charge. That is guided diving plus one on one instruction for less than the price of a normal dive day. So the honest framing is simple: if you are here anyway and you want to dive, the third day is the cheapest and most useful diving you will do all trip.

The 3 day Cozumel option: finish your course on a world top ten site

There is one more version worth knowing about, the three day Open Water Plus in Cozumel at 800 dollars. On this one your third day is not just an extra local dive, it is a trip across to the island of Cozumel with the same instructor who trained you. Cozumel sits on almost every serious list of the best dive destinations on earth. Jacques Cousteau helped make it famous decades ago, and it has never fallen off the map since. It is known for towering coral walls that drop away into deep blue, for water so clear you can often see thirty meters or more, and for its effortless drift diving, where a gentle current does the work and you simply fly along the reef watching it scroll past. Sites like Palancar and Santa Rosa are bucket list dives for people who have logged hundreds.

Picture that. You start your trip never having dived, and you finish it drifting along a world famous wall in Cozumel, guided by the same instructor who taught you to breathe underwater only three days earlier. You can read more about what makes it special in our guide to Cozumel diving from Cancun.

What you can do once you are certified

It is worth knowing what that card actually unlocks, because the course is really just the beginning. As a certified Open Water diver you can dive to eighteen metres anywhere in the world, for the rest of your life, with no need to repeat the course. Right here in Cancun that means reef dives, the MUSA underwater museum, the C55 and C58 wrecks, and the otherworldly freshwater cenotes inland. When you want to go deeper and see more, the Advanced course adds skills and takes you to thirty metres, opening up the bigger walls and the wreck interiors. Plenty of people who arrive for a single holiday course end up building a lifelong hobby out of it, and getting certified well, and comfortable, is what makes that first step stick.

What about the cheaper 1 day course? Our honest steer

You will see a shorter, cheaper option out there, the one day Scuba Diver course. We rarely recommend it, and we will tell you why plainly. It is a partial certification with real limits on where and how you can dive, and upgrading it to a full Open Water later costs more than simply doing Open Water in the first place. If you genuinely only have a single day and just want a taste of diving, a Discover Scuba dive is the better and cheaper way to try it. But if you have two spare days, the full Open Water is far better value and leaves you certified to dive the world, not a small corner of it. We would always rather point you at the option that gives you the most for your money.

So, which one should you book?

• Comfortable in the water and short on time: the two day Open Water.

• New, a little nervous, or here for a longer dive trip: the three day, for the extra instructor time.

• Want to end your course on a world class site: the three day Cozumel.

• Only have a single day and just want to try it: a Discover Scuba dive, not a certification.

Ready to get certified in Cancun?

Whichever you choose, you finish a certified diver with a card that works anywhere on the planet, for life. Browse the full options and prices on our certification and courses page, see exactly how the course runs day by day in our guide to getting your PADI Open Water in Cancun, and if you are still not sure which one fits your trip, message the team and we will help you pick. Your first fun dives could even be in a cenote the day after you certify.

Dive and snorkel with Manta Divers, Cancun.

Call (800) 659-0712 · Info@mantadivers.com · mantadivers.com