• Thunder Bay National Sanctuary Shipwrecks – August 19-20, 2023

Thunder Bay National Sanctuary Shipwrecks – August 19-20, 2023

There are almost 100 shipwreck stories to discover when you dive Thunder Bay. All sites are protected within our only National Marine Sanctuary. Depths range from shallow to deep but the focus for this weekend is shipwrecks that sit in 60ft -100ft.


This is a 2-day package that includes a 2-tank morning dive on Saturday & Sunday, 4 dives total.

Optional Friday afternoon 2-tank dives may be available for an additional fee. Please inquire if interested.

Divers: Advance Diver (or equivalent experience) and comfortable in conditions.

Dive Time: 10 a.m.-2 p.m. 

Starting from

Availability: Contact us for booking information

Payment: All payments are due at the time of booking for one-day charters. For weekend trips, a $200 nonrefundable deposit is needed to guarantee space. If we need to cancel a trip for any reason (weather, boat issues, etc.) we will either reschedule the trip or offer you a gift card for the original purchase price. However, if you need to cancel, please know that all trips are non-refundable unless the space can be refilled. If space is refilled, 50% of the trip total cost is refundable and the remainder goes to cover administration costs.  

Weather Policy: Those ships are on the bottom for a reason and mostly because of the weather.  The Great Lakes can be rough, and your safety is our utmost concern. Sometimes it is necessary to cancel charters without much notice due to water conditions. For one-day charters, we will call you as early as possible with cancellation news with the hopes that you do not make a drive to the destination for nothing. 

Thermal Protection: Most people use 7mm wetsuits and hoods, boots and gloves. A drysuit is wonderful but not necessary to explore our Great Lake shipwrecks. The exception is for technical dives when dry suits are a must. Dry suit classes and rentals are available. Water temperatures range from the low 40’s to the high 60’s.

​Gas Surcharges: All prices are based on current gas costs and taxes. If there is an increase in either, the prices listed are subject to change. 

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