Dr. David W.Hylan

Scuba Diving — Dr. David W. Hylan Jr.

Scuba diver exploring a vibrant coral reef underwater

Beneath the surface

Scuba Diving

Adventures in the deep blue

Explore destinations

About the dives

A lifelong love of the deep

There's a silence underwater that you can't find anywhere else on earth. No phones, no noise, no urgency — just you, the current, and whatever extraordinary creature decides to swim past. I've been chasing that feeling for years, and these pages are where I document the dives, the destinations, and the moments that remind me why I keep going back down.

From the water

Life below the surface

David Hylan on a dive boat
Dive crew on the boat
Group of divers on the dive boat
David Hylan at the marina before a dive
Scuba diver underwater in Cozumel
Diver exploring an underwater cave
Nurse shark resting on the reef floor
Diver posing next to COZUMEL spelled out on the ocean floor
Stingray resting on the sandy ocean floor
Scuba diver kneeling beside a stingray on the reef
Stunning coral arch formation underwater in Cozumel
Nurse shark resting on the sandy ocean floor
Group of scuba divers posing underwater in Cozumel
Two divers making peace signs underwater
Solo diver silhouetted against sunbeams from the surface
Post-dive lunch at a Cozumel palapa restaurant

Dive destinations

Places I've dived

Caribbean

Cozumel, Mexico

World-class wall diving with crystal-clear visibility, vibrant coral gardens, and the famous Palancar Reef. A bucket-list destination for any diver.

Depth

40–130 ft

Visibility

80–100 ft

Highlight

Palancar Reef

Caribbean

Roatán, Honduras

The second-largest barrier reef in the world, teeming with marine life. Roatán offers everything from gentle reef dives to dramatic wall drops.

Depth

30–100 ft

Visibility

60–80 ft

Highlight

Mesoamerican Barrier Reef

Atlantic

Florida Keys, USA

The only living coral barrier reef in the continental United States. Historic shipwrecks, nurse sharks, and endless reef fish make every dive memorable.

Depth

20–60 ft

Visibility

30–60 ft

Highlight

Spiegel Grove Wreck

More dives coming soon

I'm always planning the next trip. Check back for dive logs, gear reviews, and destination guides as I continue exploring the underwater world.