Decompression Diving

Out beyond the low slung keys of Florida's Lower Keys lies Looe Key National Marine Sanctuary, a compact reef system off Ramrod Key that attracts technical divers eager to go deeper. Decompression Diving is a focused two-day specialty course run by Looe Key Reef Resort instructors on guided boat departures from Ramrod Key. The program teaches divers to plan and execute recreational decompression dives to 130 feet using a single decompression cylinder, with classroom review, pool skills, and four open-water training dives on the reef and nearby deep sites.

Underwater the site is defined by coral heads, spur-and-groove formations, and sudden drop-offs where hard coral gives way to sand channels and deeper ledges. Students practice gas switching, using multiple gas mixes, and integrating dive-computer functions like time-to-reserve and time-to-surface so limited decompression becomes a repeatable procedure rather than guesswork. Instructors emphasize disciplined buoyancy, trim, and team procedures before advancing to the deeper wreck and wall sites that make Looe Key such a prized local destination.

Prerequisites are strict and for good reason: divers must be at least 16, hold Open Water, Deep and Nitrox certifications, and present 24 logged dives at the course start. The classroom and pool session on day one provides a compact, practical syllabus; the afternoon moves to reef dives. Day two completes two final open-water training dives from the resort’s boat.

Class sizes are intentionally small to maximize instructor time and in-water comfort. Why book this with Looe Key Reef Resort? The operation ties classroom precision to local knowledge—its instructors know the reef’s currents, site access points, and seasonal visibility patterns, which reduces risk when pushing past no-deco limits. The course also pairs well with Deep Diving or Nitrox bundles for divers who want a streamlined upgrade path and to explore larger wrecks or steep walls.

This experience is best for certified, experienced recreational divers aiming to expand limits responsibly. Expect boat launches from Ramrod Key, variable visibility depending on season, and encounters with reef fish, nurse sharks, turtles, and dense coral communities. Bring your dive computer, certified gas mixes as instructed, and tucked logbook.

Instructors review emergency protocols, oxygen administration, and surface-support procedures, and they run simulations of gas loss and out-of-air scenarios to reinforce decision-making. Students leave with practical planning templates, gas-switch timelines, and confidence using their computers under pressure, preparing them for responsibly managed deep-site exploration in the Florida reef environment safely. For booking, inquiries and pre-course materials contact [email protected] or call (305) 872-2215.

Whether you’re aiming to step into technical diving on a controlled, agency‑approved curriculum or preparing to see deeper wrecks and walls, this course is a calculated next step into serious, supported deep diving in the Florida Keys.