45 North Dive
EXPLORE BEYOND LIMITS
☼ Markham, ON
● About
Where Exploration Begins
Below the Surface
Based in Ontario, 45N Dive is a premier cold-water and technical diving center built for passionate underwater explorers. From foundational certifications to advanced technical training and high-performance gear rentals, we empower divers of all experience levels to navigate northern waters safely and confidently.
We trade perfection for possibility and structure for serendipity. Here, campers take chances, chase wild ideas, and find magic in the mess. With guidance from a close-knit crew of artist-educators, campers leave with new skills, lasting friendships, and the confidence to create boldly.
● Programs
Featured Training Programs
[ OPEN WATER DIVER // START YOUR AQUATIC EXPLORATION ]
Escape to a completely new world. The PADI Open Water Diver course is the world’s most popular scuba certification, breaking your boundaries and introducing you to the weightless underwater realm under professional guidance. Complete foundational skill training, establishing elite diving habits from day one. Certified to dive up to 18 meters globally.
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[ COURSE SPECIFICATIONS ]
* Duration: 3 - 4 Days
* Maximum Depth: 18 Meters
* Minimum Age: 10 Years Old
* Class Size: Premium small group setting (Maximum 4 students per instructor)
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[ TECHNICAL CORE // WHAT IS INCLUDED ]
* PADI Official eLearning Materials & Digital Manuals
* Comprehensive Confined Water / Pool Training Sessions
* Open Water Checkout Dives & Evaluation Sessions
* Elite Professional Instructor Coaching & Supervision
* PADI Official eCard (Digital Certification)
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[ CURRICULUM OVERVIEW ]
The certification path consists of structured phases designed for safety, technical progression, and fluid execution:
* Phase 01 // Knowledge Development (PADI eLearning autonomous study)
* Phase 02 // Dive Safety & Theory (Fundamental dive physics and physiology)
* Phase 03 // Confined Water Skills (Buoyancy control, equipment setup, and mask/regulator protocols)
* Phase 04 // Dynamic Mechanics (Underwater communication techniques and trim adjustment)
* Phase 05 // Open Water Checkouts (4 real-world open water dives for ultimate capability mastery)
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[ PREREQUISITES ]
* Able to swim and float comfortably in open water without assistance.
* Medically fit for diving (A standard medical questionnaire must be completed prior to pool sessions).
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[ REGISTRATION PROTOCOL ]
STEP 01 — SELECTION & CONFIRMATION
Select your course variation above (eLearning + Pool / Checkouts Only / Full Certification Bundle) and complete the digital checkout.
STEP 02 — DIRECT COORDINATION
Our team will contact you directly via phone or messaging within 24 hours of checkout to establish your calendar schedule, verify gear sizing, and structure logistics.
STEP 03 — INTERFACE ONBOARDING
Your personal PADI eLearning access keys and digital client portal profile will be activated during your initial onboarding consult.
[ ADVANCED OPEN WATER DIVER // ADVANCE YOUR EXPLORATION ]
Take your diving to the next level. The PADI Advanced Open Water Diver course is designed to fine-tune your buoyancy, expand your underwater navigation skills, and introduce you to deeper exploration under professional guidance. No exams, pure hands-on skill mastery. Expand your limits and unlock the underwater world down to 30 meters.
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[ COURSE SPECIFICATIONS ]
* Duration: 2 Days
* Maximum Depth: 30 Meters
* Prerequisites: PADI Open Water Diver certification (or qualifying credential)
* Pricing: CAD 699.00 (+ HST)
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[ TECHNICAL CORE // WHAT IS INCLUDED ]
* PADI Official Advanced eLearning Materials
* 5 Specialized Adventure Dives & Performance Evaluations
* Elite Professional Instructor Coaching & Technical Briefings
* PADI Official eCard (Digital Certification)
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[ ADVENTURE ADAPTATIONS // TRAINING OPTIONS ]
The program requires 2 Core Dives and 3 Elective Dives. Options are tailored for performance and local water environments:
CORE DIVES (Required):
* Core 01 // Deep Diving (Physiological management and depth limits up to 30m)
* Core 02 // Underwater Navigation (Compass tracking, natural navigation, and grid patterns)
ELECTIVE DIVES (Select 3):
* Elective // DSMB - Delayed Surface Marker Buoy (Highly Recommended)
* Elective // Night Diving (Highly Recommended)
* Elective // Peak Performance Buoyancy (Highly Recommended)
* Elective // Dry Suit Diving
* Elective // Wreck Diving
* Elective // Drift Diving
* Elective // Search & Recovery
* Elective // Boat Diving
* Elective // Fish Identification
* Elective // Underwater Naturalist
* Elective // Digital Underwater Imaging
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[ REGISTRATION PROTOCOL ]
STEP 01 — CONFIRMATION
Review the course requirements and complete the secure digital checkout.
STEP 02 — DIRECT COORDINATION
Our team will contact you directly via phone or messaging within 24 hours of checkout to establish your calendar schedule, customize your 3 elective dive selections, and structure gear logistics.
STEP 03 — INTERFACE ONBOARDING
Your personal PADI Advanced eLearning access codes and digital client portal profiles will be activated during your initial onboarding consult.
Stay warm, dive local, and eliminate the cold. A comprehensive 2-day technical transition balancing tactical pool work with dynamic lake dives.
● Dive Life at 45N
Precision Gear for Extreme Environments
Diving in the North requires uncompromised precision and absolute trust in your equipment. At 45N Dive, every regulator, drysuit, and cylinder system in our rental fleet is rigorously maintained and optimized for cold-water performance. Whether you are gearing up for a Great Lakes wreck expedition or advancing your training, we deliver technical reliability so you can focus entirely on the dive.
● Contact
Request Information
Whether you’re curious about diving in Toronto, hoping to visit, or looking to rent gear, we’re here to talk.