Build advanced scuba skills through core dives and specialty electives
1.5-Day Course
Books, gear rentals, boat trips
Advance your scuba training with instructor-supervised dives across three boat trips. Practice core skills and select additional dive topics to broaden your experience.
No refunds within 2 weeks of your scheduled trip or lesson. Undisclosed health conditions may disqualify you from participating, with no refund.
Product ID: JYDN6E
Select your preferred date, then the team will follow up to confirm the course times, days, and details.
Yes. Each course student must complete a medical/student waiver before participating.
Bring towels, reef-safe sunscreen, a reusable drinking bottle, and any personal gear you want to use. Water is available onboard, and you can store personal snacks and drinks in the cooler.
Miss Jackie, next to The Marketplace at Isla Bella Beach Resort
The staff at Tilden’s was very knowledgeable in helping us select new bands for our spearguns. They took the time to put the bands on for us and provided some valuable insight into fishing the local waters. They were a great help!
Jimmy and Tracy Harris
July 7, 2026
The staff at Tilden’s was very knowledgeable in helping us select new bands for our spearguns. They took the time to put the bands on for us and provided some valuable insight into fishing the local waters. They were a great help!
Jimmy and Tracy Harris
July 7, 2026
Complete your open-water course skills in Marathon
Explore Florida Keys reefs by snorkel, Snuba, or certified dive
Explore a shallow reef after dusk and take in the sunset on the ride back
Learn legal spearfishing skills and earn an Underwater Hunter certification
Build scuba skills through pool training and boat dives
Try scuba with pool training and an instructor-led reef dive