The Underworld team have many years of experience hosting events, including seven editions of the world-renowned Cave Camp and the 2026 NSS-CDS Winter Workshop. We can create an event for you and we run regular scheduled courses for all levels of Tech, Cave and Instructor training.
Upcoming events and classes at Underworld:
5-6 September 2026
HFiD: Applied Skills
Two Day class to improve decision making, cognitive skills and teamwork with simulated space missions.
Booking Link
12-26 September 2026
Cave Camp Reunion
Fun diving and socials for cave camp alumni and friends!
5-10 October 2026
Level 1 Cave Class
Six day class for safe and aware overhead environment diving
SSI, TDI, IANTD or NSS-CDS
12-17 October 2026
Full Cave Class
Five day class with complex navigation, longer penetrations, restrictions and more demanding failure scenarios,
SSI, TDI, IANTD or NSS-CDS
19-24 October 2026
45m Trimix Deco Class
Open Circuit or SF2 CCR
SSI, TDI, IANTD
26-29 October 2026
Overhead Stage Class
More gas, longer penetrations and more demanding dives
Single stage + O2 Deco, with multistage add on available.
SSI, TDI, IANTD or NSS-CDS
9-12 December 2026
Overhead DPV Class
Using DPVs to extend range safely and have fun. Tech DPV or foundations day required.
Single stage + O2 Deco, with multistage add on available.
SSI, TDI, IANTD or NSS-CDS
14-18 December 2026
SSI XR Instructor Training Week
Foundations, Tech, Cave, CCR
Bespoke packages for individual instructors
22-29 May 2027
Human Diver: The Gathering
The annual gathering for divers and teams who choose performance and capacity over compliance and blame.
Caribbean Location tbc
