Mayflower Autonomous Researcher Ship (MARS)

The Mayflower

ProMare is a key partner in the development of the world’s first full-sized, fully autonomous unmanned research ship. The vessel will take the same 3220 mile route the original Mayflower used 400 years ago. It will only use wind and solar technology for the journey, and will also gather data about the condition of the ocean.



In order to explore the deepest parts of the world’s oceans, ProMare has funded the development of a low-cost, full-ocean-depth robotic vehicle system. The prototype was used to explore the deepest parts of the Atlantic Ocean, the Puerto Rico Trench, more than 8000 meters deep.

Our Most Current Project

In 2004 ProMare led an expedition to Lake Garda, Italy to locate the remains of 25 US Servicemen lost in 1945, just days before WWII ended, when their amphibious truck overturned, drowning all hands aboard except for one survivor. We have not found this site at the time, but a group of local Italian of volunteer divers, Gruppo Volontari del Garda located the vehicle in 2011. Currently, our researchers are in Lake Garda Garda assisting the local authorities in their efforts to monitor and preserve this important military grave site. For preliminary information as we are in the field see the recent news articles here

Latest News

Mini submarine to survey WWII site at Lake Garda

LAKE GARDA – A week-long exploration of an American amphibious craft that sunk during the Second World War is due to be carried out at Riva del Garda. A team from ProMare, a non-profit underwater archaeology foundation, led by founders Brett Phaneuf and Fredrik Soreide will conduct the investigation, which will take place from Sep. 28 to Oct. 5. A three-man mini submarine will be used to descend to the depth of the sunken craft. The goal of the operation is to conduct a full survey of the sunken vehicle and locate any associated objects, such as traces of the soldiers.  Read news article here…

Protection of manatees and their aquatic habitat

ProMare supports the world’s leading manatee conservation organization, Save the Manatee Club, in their efforts to protect manatees and their aquatic habitat for future generations. We have adopted a manatee, appropriately named Promanatee, and visited the charity located in Florida, in 2018. More information about their activities can be found here.

Joint research project with
Ictineu 3

ProMare and ICTINEU Submarins SL have entered into an agreement to conduct joint research projects with the manned submersible ICTINEU 3. The first project will be a series of dives in Lake Garda.  Read more about the submersible here: http://www.ictineu.net/en

Seven Depths Project
– 2019

Promare launches a new project to dive the seven deepest lakes of the world. Using the drone technology developed and used to dive the Puerto Rico trench [link], we will explore the deepest points on each of the seven continents in 2019.

Deepest lake in Europe: Hornindalsvatnet (Lake Hornindal)

Asia’s and the world’s deepest lake: Lake Baikal

Deepest lake in Africa: Lake Tanganyika

Deepest lake in North America: Great Slave Lake

Deepest lake in South America: O’Higgins/San Martín Lake

Deepest lake in Australia: Lake St Clair

Elizabeth Lyding Will

For more information about the life, works and legacy of Elizabeth Lyding Will, click here.

Promare on YouTube

Click here to view videos of our projects on our YouTube channel.