St Lawrence Seaway

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Overview

St Lawrence Seaway
Brockville, Ontario, Canada
Aug 20 - 23, 2026
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Blue Crew Divers
$695
Deposit: $250

About this trip

Dive the St. Lawrence Seaway with Blue Crew Divers!

August 20-23 | Advanced Divers Required

Get ready for one of the most unforgettable dive adventures of the summer—an epic multi-day escape to the world-class St. Lawrence Seaway with Blue Crew Divers! Just a 5-hour drive from our dive center, this legendary region offers some of the finest freshwater diving on the planet, with conditions and scenery that keep divers coming back year after year.

Why the St. Lawrence?

The Seaway is famous for its crystal-clear visibility, steady river currents, and an impressive collection of historic shipwrecks—intact, accessible, and rich with history. From dramatic wooden hulls to massive steel freighters, these wrecks sit in depths perfect for advanced divers looking to challenge their skills while exploring a truly unique underwater environment.

What to Expect

  • Epic river drift dives that carry you across breathtaking underwater landscapes.

  • Beautifully preserved shipwrecks, some nearly untouched by time.

  • Water temps in the mid-60s to low-70s, ideal for comfortable multi-day diving.

  • Advanced-level dive profiles to stretch your experience and refine your skills.

  • Stunning topside scenery, with quaint waterfront towns, sunsets over the river, and plenty of time to relax between dives.

Who can join?

This trip is open to Advanced Open Water certified divers or higher. The river currents and wreck depths make it perfect for those who want a thrilling but well-managed challenge in an iconic diving destination.

Pack your gear, gather your dive buddies, and get ready for four days of adventure, exploration, and memories you’ll be talking about all year long.

Spaces are limited—secure your spot with Blue Crew Divers and experience the St. Lawrence Seaway the way it was meant to be explored!

Minimum Requirements for full day diving

  • A minimum of 15 logged dives. 

  • Advanced Open Water Diver certification.

  • Delayed Surface Marker Buoy (DSMB) certification. 

  • Minimum age for full day dive trip is 15 years of age.

  • Nitrox certification recommended.

  • Must obtain personal DSMB from Blue Crew Divers.

What's not included

Gear, tanks, weights, and tips.

What's included

Boat Diving

3 days of 2-tank boat dives daily. All dives are drift dives.

Diving Supervision

Professional Blue Crew Guide: Tom Wright, who is an experienced wreck and technical diver.

What's not included

Transportation

Drive to Brockville, Ontario, Canada. Carpooling may be available with other participants.

Accommodation

Not included.

Meals

Not included.

Dive Equipment

Scuba equipment can be rented from Blue Crew., if you do not have your own personal gear.

Enriched Air

Available. Should be arranged in advance.

Courses

Drift Diver specialty course.

Tips

Tips for diving and/or instructor

Travel Insurance

All divers must have some form of travel insurance. We recommend DAN (Divers Alert Network). https://dan.org/partner/2963667

Dive Insurance

All divers must have current DAN diving insurance. We recommend DAN (Divers Alert Network). https://dan.org/partner/2963667

About your organizer

www.bluecrewdivers.com

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