We can cover all your needs for scuba gear and training from recreational thru technical and cave training.

Marissa Eckert & James Draker

Open Water Scuba Classes

Are you interested in learning to scuba dive? Hidden Worlds offers basic open water scuba instruction. This class is completed in a minimum of three days. The certifying agency is PADI. The class consists of academic work, confined water skills, and open water dives. After the successful completion of this class you'll hold the certification of "PADI Open Water Scuba Diver"

We also offer advanced open water, rescue diver, divemaster, and all these specialties:

  • Self Reliant Diver - A solo diving specialty certification
  • Speigel Grove Diver - Gives you an in depth look at the Speigel Grove, a well known wreck in Key Largo
  • Boat Specialty
  • Sidemount Specialty
  • Deep Specialty
  • Dry Suit Specialty
  • Wreck Specialty
  • Emergency Oxygen Provider
  • Nitrox
  • Peak Performance and Boyancy
  • Project Aware
  • Care for Children w/ AED
  • Tec Rec Trimix Blender

Certification earned upon successful completion of class requirements.

Cavern thru Full Cave Training

Marissa and James offer cave training thru TDI, IANTD, and NSS-CDS

Cavern is the first step towards becoming cave diving certified. You are introduced to the overhead environment.

Intro to Cave is the next step. This can be combined with cavern if you are an experienced diver. This class allows you to dive 1/3 of a single tank or 1/6 of doubles. You are limited to main line penetration only.

Full Cave Diver allows you to dive 1/3 of you gas supply, complete t's and jumps, circuits and traverses (this is a 4 day class)

Technical Dive Training

Advanced Nitrox -Are you looking to expand your dive time? Maybe you’re a scientific diver or photographer looking to stay in the water a little longer?The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 percent within your current certification level to a maximum depth of 40 metres/130 feet during dives that do not require staged decompression. Often taught in conjunction with the TDI Decompression Procedures course, this can be considered the foundation of your technical diving career.

Decompression Procedures - Are you finding your no- decompression limits (NDLs) a limiting factor to dives? Do you have to ascend sooner than you would like? As sport divers, planned decompression is not something that we do or have been taught.The TDI Decompression Procedures Course prepares you for planned staged decompression diving. With a maximum operating depth of 45 metres/150 feet, this course is your first step beyond the normal sport diving limits. The TDI Decompression Procedures Course combined with the TDI Advanced Nitrox course form the foundation of all other technical courses. After these two courses and some additional experience, the stage has been set for you to move onto additional technical levels.

Guide Services

Are you unfamiliar with the area or want a safe buddy? Maybe you'd like to get some photos of yourself taken in the cave! You can hire one of us for $300 a day to guide you in the caves of Florida. You pick the site and you can do as much work, or as little as you want. We can run all the lines and help us come up with a fun new dive plan! If you've never dived in the area before and want an experienced buddy to make diving safe for you or you family that is what I am here for.

Additional Cave Diving Classes

Cave Sidemount - Learn how to dive those smaller, less traveled tunnels... ever want to know how to handle those tiny places that require tank removal? Cave sidemount will push you to find the limits of your comfort zone. It will teach how to handle the most stressful situations in caving. It is a great class to really fine tune your sidemount diving in caves.

Cave Stage Diver - The TDI Stage Cave Diver Course is designed to teach trained cave divers how to extend bottom times and/or penetration distance through the use of stage cylinders. Divers will learn to plan dives that may incorporate longer bottom times, complex dive planning, and multiple methods of gas management. With respect to depth, gas mixes, and required decompression, course dives will not exceed the student’s current level of certification and experience level.

Cave DPV - This course is designed to teach trained cave divers how to utilize Diver Propulsion Vehicles (DPVs) in the cave environment. Divers will learn about safe DPV use, DPV components, and care and maintenance. Students will learn to plan dives that may incorporate extended penetration, longer bottom times, complex dive planning, and proper methods of gas management.

Rebreather Training

James and Marissa have 1000s of hours on rebreathers combined. James and Marissa are both SF2 sidemount and backmount rebreather instructors. James also is certified to teach the Megladon Rebreather.

Are you already rebreather certified? Learn to cave dive or do technical diving with your rebreather! James and Marissa combined are certified on more then 10 different rebreathers! They can offer basic initial rebreather training all the way thru technical and cave training on rebreathers.


Instructors Marissa and James

Marissa Eckert

PADI Master Scuba Diver Trainer, TDI Technical and Cave Instructor

James Draker

TDI and IANTD Instructor Trainer


Marissa Eckert & James Draker
James and Marissa have years of combined experience teaching all levels of diving. James started diving at an extremely early age. Thru years of diving James has worked his way up to an Instructor Trainer for TDI and IANTD. James is probably most well known for taking his SF2 Rebreather on extremely long dives in deep caves like Eagles Nest and Diepolder 2 and 3. Marissa has been diving for quite a few years, too. Marissa steadily worked her way up to becoming a cave instructor and rebreather instructor. Marissa also enjoys doing deep long dives on her SF2 and also hiking thru the jungle of Mexico to find awesome new cenotes to dive!

Marissa's Info

  •  +610 310 8210
  •  Located in Fort White, Florida

James's Info

  •  +954 294 8878
  •  Located in Fort White, Florida
Hidden Worlds Diving Store Location

SW County Road 18 Building 3 Fort White Florida 32038

We currently are dealers for XDeep, Scubaforce, Apeks, Shearwater, Fourth Element, XS Scuba, Blue Steel, Eezy Cut, Pandora Tools, SF2 Rebreathers, Light Monkey, and much more!


Feel free to contact me via email or cell phone. My email address is Marissa@dive-caves.com and my cell phone number is 610-310-8210 feel free to text or call me.