Launching April 6th!

We are scheduled to put the ALMA in water April 6th depending weather.  Charters to start immediately as well!

Tech Tuesday 7th has openings along with April 11th and 12th. Call or message to sign up.  Lets go wreck diving!


We will be in Minneapolis  3/20 for the PSI Visual Cylinder Inspector course and the UMSATS Friday night and Saturday.  Join the class or stop by and say hi!

Our World Underwater weekend!

Hope to see everyone walking about the Chicago show this weekend.  I’ll be in AUP/Hollis booth and giving a talk at noon on Saturday – Why dive a recreational rebreather.

Following is a list of upcoming PSI classes and Location

2-15-2015  Two Rivers

3-13-2015 Ghost Ships in Milwaukee

3-20-2015 Upper Midwest Scuba and Travel Show

Space is limited – sign up today!

Lets get a kick start on the 2015 dive season!

Advance Ntx and Deco April 10-12 (lecture TBD one day ahead of time) – Diving at Gilboa

Hollis Explorer eSCR April 10-12 at Gilboa

Hollis Prism2 CCR April 13-17th at Gilboa

#shipwreckadventures #divetraining #Hollis


The Great Lakes premier dive charter service.  We offer customized charters to the best and most remote destinations on the Great Lakes with our travel vessel “Little Alexandria” and full time diving out of Milwaukee WI onboard the “Alma”.  From the surface to the abyss we host divers of all levels from around the world.

Winter training

We just returned from another great trip down to Mermet Springs.  We had two divers complete Hollis Explorer eSCR training over the three days.  More rebreather classes in March and April.  Don’t delay – sign up today!  Space is limited.

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