Who is Brett Hemphill (U.S. cave diver)? Cause of Death, Age, Wiki, Bio, Family & More

Brett Hemphill was a legendary cave diver and explorer who broke the U.S. deep underwater cave record twice in his lifetime. He died on October 4, 2023, at the age of 56, while diving in Phantom Springs Cave in Texas, the same cave where he set his last record in 2013. He was the founder and president of Karst Underwater Research, a nonprofit organization that conducted scientific research and exploration of underwater caves around the world. In this post, we will learn more about his life, achievements, family, and legacy.

Brett Hemphill Biography Profile

NameBrett Hemphill
Nick NameN/A
Date of BirthN/A
Birth PlaceN/A
Age (as of 2023)56 (deceased)
Zodiac signN/A
ProfessionCave diver and explorer
Home Town/StateDade City, Florida, USA
Educational QualificationN/A
HobbiesCave diving and exploration
Marital StatusN/A
Net WorthN/A

Brett Hemphill Early Life and Education

Brett Hemphill’s early life and education are not well documented. He developed a passion for discovery at a young age, having explored an undiscovered section of a cave during a youth dry cave excursion. He did not have any formal training in cave diving, but he learned from experience and mentors.

Brett Hemphill Family Details

Father NameN/A
Mother NameN/A

Brett Hemphill Career Highlight:

Brett Hemphill was the president and founder of Karst Underwater Research, a non-profit organization based in Florida, focused on scientific research to help preserve and protect underwater caves. He had an illustrious career as a cave explorer, spending over 25 years smashing diving records and collecting scientific data. He was involved in exploring, mapping and documenting deep underwater systems in Florida, Texas and Missouri, as well as overseas in the Bahamas, Dominican Republic and Mexico. He also collaborated with various universities and agencies to study the biology, geology and hydrology of the caves.

Some of his notable achievements include:

  • In 2008, he broke the United States deep underwater cave record at Weeki Wachee Springs in Florida, reaching a depth of 407 feet and discovering that it is the deepest known naturally formed spring in the country.
  • In 2013, he broke his own record at Phantom Springs Cave in Texas, reaching a depth of 465 feet and 8,000 feet of penetration, revealing that it is the deepest underwater cave yet measured in the US.
  • In 2016, he led a team to explore Sistema Huautla in Mexico, the deepest cave system in the Western Hemisphere, reaching a depth of 1,545 meters and adding over 4 kilometers of new passages.

Brett Hemphill died on October 4, 2023, during an underwater expedition in Phantom Springs Cave. He was last seen on video tying off a guideline at approximately 570 feet before he became separated from his co-diver Andy Pitkin. His body was recovered four days later by his colleagues. The cause of his death is still under investigation.

Brett Hemphill Physical Stats and More:

Height (Aprox.)in centimeters- N/A
Weight (Aprox.)in Kilograms- N/A
Body TypeAthletic
Figure SizeN/A
Eye ColorBlue
Hair ColorBrown
Hair LengthShort
Shoe SizeN/A

Favorite Things

Favorite WearWetsuit and diving gear
Favorite Things to DoCave diving and exploration
Favorite SportsDiving
Favorite Sports PersonSheck Exley (cave diver)
Favorite DestinationPhantom Springs Cave (Texas)


  • Does he smoke? | No
  • Does he consume alcohol? | No
  • Does he drive? | Yes
  • Does he know cooking? | N/A
  • Does he swim? | Yes (obviously)
  • Is he a practitioner? | No
  • Does he go to the gym? | No
  • Is he a jogger? | No
  • Does he travel? | Yes (for exploration)
  • Does he have pets? | No
  • Does he play any instruments? | No
  • Does he have any tattoos? | No

Social Media Handles

Social Media PlatformHandle/Username
Facebook Page[Brett Hemphill]

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My name is Shivani Patel from Surat, Gujarat. I am the blogger, founder, and key owner of Lookout Info. I have been blogging for the last five years. I love to research and write biographies of great people.

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