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Trimix in North Florida Cave Country: 10 dive centres on TecDiveTools, with agencies, courses taught and a summary of what students say. 2 publish course prices.
TecDiveTools lists 10 dive centres teaching Trimix in North Florida Cave Country, United States. 2 of them publish course prices, in the currency the shop advertises and with the date each was checked — not converted, and not estimated.
Listings are ordered by how much evidence exists about their technical diving, not by a star rating, with any paid Featured listing shown first and marked as such (how rankings work). 8 of these 10 carry reviews we have read and classified as being about technical or overhead training. The count excludes recreational certifications by name, so a busy resort does not outrank a one-instructor cave operation on the volume of its reef trips. Separately, 6 have at least one instructor whose reviews we have read and summarised — a dive centre carries no synthesis of its own. How we read and count reviews.
Looking for individual instructors instead? Instructors in North Florida Cave Country.
About the course
Trimix is TDI's foundational mixed-gas course, teaching divers to plan and execute decompression dives using custom oxygen/helium/nitrogen breathing gas mixtures. This course bridges Extended Range and deeper technical diving, introducing divers to trimix theory, helium physiology, staged decompression on multiple gas mixes, and the procedures for managing hypoxic and normoxic blends. Graduates can conduct trimix dives to 60m/200ft with proper decompression support.
Students complete 4 decompression dives using trimix as bottom gas (100+ minutes accumulated bottom time; 2 dives must exceed 40m/130ft depth), demonstrating mastery of: trimix gas physics and physiology, decompression calculations on multiple gas mixes, proper equipment configuration, safe gas switches at depth, emergency ascent procedures, and staged decompression execution.
The centres listed above teach TDI Trimix in North Florida Cave Country, United States. Requirements are set by the agency, not the centre, so they are the same wherever you train — what differs is price, class size and how much diving is included.
10 dive centres on TecDiveTools teach TDI Trimix in North Florida Cave Country, United States. Each is listed above.
Deep training usually means offshore wrecks — the Spiegel Grove and Bibb at around 40 m off Key Largo, and the USS Oriskany, whose flight deck at about 43 m and sand at about 65 m take you into trimix territory.
Every centre in the TecDiveTools directory that publishes a price for TDI Trimix in North Florida Cave Country, United States charges by the day rather than for the whole course. Prices differ mainly in what they include, so compare the inclusions before comparing the numbers. Prices were last checked in September 2026.
3 days, based on the durations 1 centre publishes for it in North Florida Cave Country, United States. The time depends on the centre's schedule, weather, and how quickly the required skills are demonstrated — agencies set a minimum number of dives, not a fixed number of days.
At the same tier in TecDiveTools' cross-agency comparison, dive centres in North Florida Cave Country, United States also teach IANTD Normoxic Trimix Diver (5). They are comparable rather than interchangeable — each agency sets its own standards and card, so check which one your next course accepts.