• Skill Builder
  • eLearning included
  • Free cancellation

Advanced Open Water

Deep and navigation core dives plus three electives including night and kelp diving.

  • 4.8(942 reviews)
  • San Diego, California, California
  • Pacific Edge Divers

6 classes scheduled this month

  • Length3 days
  • Dives5 pool · 4 ocean
  • PrerequisiteNone
  • Class size4 students max
  • InstructionEN · ES
  • Minimum age10 years

This is the certification that opens everything else: once you hold Open Water, you can rent gear and book dives anywhere in the world without supervision, for the rest of your life. The card does not expire.

Key Largo is one of the easiest places on earth to learn. The reef sits in 20 to 35 feet of warm, generally calm water inside a protected marine park, so your first ocean dives are spent looking at turtles rather than fighting conditions. Academic work happens online before you arrive, which means your three days here are almost entirely in the water.

  • Kelp forest and wreck options
  • Instructor ratio 1:4
  • Digital certification within 48 hours

What's included in the price

Included

  • PADI eLearning access and digital materials
  • All rental equipment for the full course
  • Five confined-water pool sessions
  • Four open water training dives from the boat
  • PADI certification processing fee
  • Digital certification card

Not included

  • Accommodation and travel
  • Personal mask and snorkel if you prefer your own
  • Nitrox specialty (available as an add-on)
  • Instructor gratuity

How the course is structured

PADI Open Water Diver4 students per instructor
  1. Phase 1

    eLearning at home

    Five knowledge sections you complete before arriving, at your own pace. Included in the price — no separate PADI charge.

    8–12 hours, before you travel

  2. Phase 2

    Confined water sessions

    Five pool sessions covering mask clearing, regulator recovery, buoyancy, and emergency ascents in a heated on-site pool.

    Day 1, about 5 hours

  3. Phase 3

    Open water dives 1 and 2

    Two boat dives on shallow Key Largo reef, repeating pool skills in the ocean at 20–35 feet.

    Day 2, half day

  4. Phase 4

    Open water dives 3 and 4

    Final two dives with navigation and a controlled ascent, then certification paperwork submitted the same day.

    Day 3, half day

What you can do when you finish

  • Dive to 60 feet with a buddy, anywhere in the world, for life
  • Rent equipment and book boat dives without supervision
  • Digital certification card in your WSN wallet within 48 hours
  • Credit toward Advanced Open Water and specialties

Your schedule, day by day

  1. Before you arrive

    eLearning

    Five online knowledge sections, 8–12 hours at your pace.

  2. Day 1 · 8:00 AM

    Classroom review and pool

    Quick review, gear assembly, then five confined-water sessions.

  3. Day 2 · 8:00 AM

    Open water dives 1 and 2

    Boat to the shallow reef, repeat skills, then explore.

  4. Day 3 · 8:00 AM

    Open water dives 3 and 4

    Navigation, final skills, and your first proper fun dive.

  5. Day 3 · 2:00 PM

    Certification

    Paperwork submitted, digital card issued within 48 hours.

Requirements and where to show up

Prerequisite
None — entry level
Minimum age
10 years
Swim test
200 yd swim, 10 min float
Medical
Dive medical statement required
Last day
No flying for 18 hours after

Atlantic Dive Academy training center

MM 100 Overseas Hwy, Key Largo, FL 33037

Meeting point confirmed for San Diego, California.

Student reviews

4.8

4.8 out of 5

942 verified reviews

5
93%
4
6%
3
1%
2
0%
1
0%
Instructor
5.0
Safety
4.9
Pace
4.8
Equipment
4.8
Value
4.9
AB

Anna Beck

Denver, CO · 4 logged dives

Booked on WSN
5.0 out of 5November 2026

Terrified of the mask removal skill, did it anyway

My instructor let me repeat it in the pool until I stopped panicking instead of pushing me into the ocean on schedule. Four students meant she had time for that. Certified on day three with 4 logged dives.

Helpful (47)3 photos
TN

Tom Nguyen

Seattle, WA · 9 logged dives

Booked on WSN
5.0 out of 5October 2026

Do the eLearning before you fly

I finished the online portion on the plane and it made the three days almost entirely water time. Gear was newer than what I have rented since. Added nitrox at the end for a discount.

Helpful (33)1 photos
SM

Sofia Marín

Mexico City, MX · 6 logged dives

Booked on WSN
5.0 out of 5October 2026

Taught in Spanish without me asking

They noticed I was more comfortable in Spanish and switched. Small thing but it changed the whole course for me. The pool being on site meant a rainy morning did not cost us a day.

Helpful (25)2 photos

About the operator

PE

Pacific Edge DiversVerified

Diving Cozumel since 1998 · Replies in under 1 hour

Message operator

A PADI 5-Star Instructor Development Center that has certified divers in Key Largo since 1998. Every instructor on staff holds Master Instructor or higher and teaches full time rather than seasonally.

Operator rating
4.9
Reviews
5,218
Divers hosted
62,000+
Languages
2
  • PADI 5-Star IDC
  • PADI Green Star award
  • Blue Star operator
  • WSN Verified Operator

Common questions

Is the certification good forever?

Yes. Open Water certification never expires. If you have not dived in a year or more, most operators recommend a refresher, but the card itself remains valid for life and is recognized worldwide.

What if I cannot finish in three days?

You can complete remaining dives with us at no extra charge within 12 months, or request a referral form and finish them with any instructor in the world.

Is there a swim test?

Yes — a 200-yard swim with no time limit and no specific stroke, plus a 10-minute float. It is a comfort test, not an athletic one.

Can my kids take it with me?

Ages 10 to 14 earn Junior Open Water, which has depth limits and requires diving with a certified adult. It upgrades automatically at 15.

Cancellation policy

  • More than 7 days before

    Full refund, including unused eLearning.

  • Within 7 days

    Free transfer to any future course date.

  • Weather or illness

    Reschedule at no cost, or a referral to finish elsewhere.

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