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Great Lakes Shipwreck Preservation Society
Dedicated to Preserving our Shipwrecks and Maritime History
"From Prevention to Preservation"
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Website Updated

GLSPS Annual Fundraiser!!

UMSAT Show Website

If we are allowed to have a physical Show
The Date and Venue for 2021 UMSAT Show!!

April 9 - 10, 2021

Friday Night at the Movies
7:00 to 10:00 PM

Saturday, 9:00 AM to 6:00 PM
Main Show

(Meet and Greet Party with Food and Beverages)
At The Holiday Inn Hospitality Room
(Next Door to Jimmy's)
7:00 PM to 11:00 PM


If we have a Virtual Show Only
The dates would be

April 6 - 10, 2021

There will be one speaker each night 
starting at 7:00 PM

Saturday will have two speakers and
the GLSPS Awards Event 
Stay tuned for the Lineup of Speakers for 2021

For more information on the upcoming 2021 UMSAT Show, please visit

If you are interested in joining the UMSAT Show Planning Committee, please email us at

Or, contact Mary Lillimo at "Show Chairperson", or Phil Kerber, "President", at

Here are the Links to Important Exhibitors Documents
  UMSAT Booth Table Layout at Jimmy's Event Center

We are always looking for speakers that would like to present a great topic about their scuba diving or adventure travel experiences.

Please let us know if you, or anyone you know, would like to be a star and speak at a future UMSAT Show!

Lake Superior Magazine Logo 2x1
Check out the most beautiful magazine ever produced in Northern Minnesota!

GLSPS Project Sponsors

Air Down There Scuba offers free air fills and special pricing on rental equipment while participating in GLSPS projects. Required to show GLSPS Membership Card! 
Thank you, Scott and Tracy!

Aquaventure Dive and Photo Center offers free air fills and special pricing on rental equipment while participating in GLSPS projects. You will be required to show your GLSPS Membership Card.  They have also loaned us a GoPro HD video camera for a few projects. Thank you, Steve and Jolene!

Videos produced by Steve at Aquaventure Dive and Photo Center filmed in Lake Michigan on a Milwaukee charter trip. Click on their above logo for information to join them on a charter to visit these shipwrecks.
Prins Willem
The Dredge 906

HomeEventsUnderwater Pumpkin Carving

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Underwater Pumpkin Carving

Sunday, October 04, 2020, 12:30 PM until 3:30 PM
Golden Acres on Square Lake
15150 Square Lake Trail North
Stillwater, MN  55082
Additional Info:
Dean Soderbeck
2020 Projects
Registration is required
Payment In Full In Advance Only
Please register online or through Dean Soderbeck. Bring your own Dive Equipment and air tank (s) and exposure suits. Please contact your local dive shop to rent any equipment you might need. Or contact Dean Soderbeck to see if he might have a piece of dive equipment you need.
No Fee
No Fee

BSA Venture Crew 820 and GLSPS for the 7th Annual 
Underwater Pumpkin Carving Event

Sunday, October 4, 2020



Please join the BSA Scuba Venture Crew 820 and the GLSPS Members for the Underwater Pumpkin Carving Event at Golden Acres Campground on Square Lake.

This event embodies all the elements of a perennial Scout fall classic: adventure, convenience, timeliness, creative expression, and FUN for everyone!

Please click on this link to learn more about the event and to "Register".

Underwater Pumpkin Carving Dive

This is a BSA Scuba Venture Crew 820 & GLSPS joint activity.

Bring your own pumpkin and or a few extra to share.

Sign-up cutoff date is Thursday October 1st.   

GLSPS members can just watch or bring your own pumpkins and try your carving skills underwater.

This is an afternoon event starting at 12:30 pm at Golden Acres located on Square Lake.
The address is,15150 Square Lake Trail North, Stillwater, MN 55082 (Southeast side of Square Lake)
(Golden Acres vehicle and per-person fees are not included.)

No tricks!  Diving’s a treat!  As a warm-up for Halloween and fall, divers from BSA Scuba Venture Crew 820 will team up with divers from the Great Lakes Shipwreck Preservation Society (GLSPS) on this event carving pumpkins on an underwater training platform 24 feet down.      

Please Note:  We could use additional volunteers to serve as shore support.
“Please Bring your own pumpkins” (Some divers bring more than one to share).                                                   
The pumpkins will gutted out on shore prior to the dive, and then add some Scuba diver-rendered under water “vegetable surgery”.
Underwater Pumpkin Carving agenda

12:30 pm - Go over logistics and pair up divers (beach area) assemble dive equipment.
                     Gut out pumpkins, leave pumpkin lids on shore.

1:00 pm - Gut out pumpkins, place pumpkins in mesh bags (provided by Venture Crew)

1:30 pm - Divers team up and surface swim to dive platform as a group, descend to platform 24 feet deep with pumpkins & extra lead weights for pumpkins to stay on down.

2:00 pm - Paired divers surface swim back to shore and break down equipment.

3:00 pm - Hot Chocolate served on shore provided by Venture Crew 820. 
            Head home after group pictures.

If you have any additional questions, please contact Dean Soderbeck with the information listed below.

Dean Soderbeck
Adviser, BSA Scuba Venture Crew 820
GLSPS, 2nd Vice President