First-Time Scuba in Honolulu: Try Dive Video Diary

Rainbow Scuba Hawaii Honolulu, HI.

Article by Ken Goetz, SCUBA diving instructor, Rainbow Scuba Hawaii on

Why a Try Dive in Honolulu Belongs on Your Oahu Itinerary

Thinking about SCUBA diving in Honolulu for the first time? This immersive video diary follows first-time divers on Rainbow Scuba Hawaii’s try dive tour, a quick ride from Waikiki to Horseshoe Reef. After a warm welcome at the dock, your instructor explains hand signals, equalization techniques, and slow, steady breathing—calm steps that turn nerves into excitement. We motor past the Honolulu skyline, suit up, and practice buoyancy beside the mooring line. Once everyone is comfortable, the group begins a gentle descent with the guide at arm’s length, keeping eyes on the reef rather than the gauges.

Where this video takes you

Horseshoe Reef sits in the Honolulu nearshore zone, typically 25–40 ft (8–12 m) deep with mild surge. Morning dives often bring 60–100 ft (18–30 m) visibility and water around 76–80°F (24–27°C)—a forgiving classroom for your first breaths underwater near Waikiki.

First-time scuba divers practicing buoyancy at Horseshoe Reef, Honolulu, Oahu
First breaths underwater at Horseshoe Reef on Rainbow Scuba Hawaii’s try dive.

Watch the Dive Adventure

From Briefing to Bubbles: How Rainbow Scuba Hawaii Runs It

Before anyone steps off the boat, your instructor checks mask fit, BC inflation and deflation, weight placement, and alternate air. A relaxed giant stride or seated entry starts the adventure, followed by a slow, eyes-up descent while equalizing every few feet. Small groups keep the pace unhurried and safe. Over a sandy patch you’ll practice neutral buoyancy and fin kicks, learning to hover above coral rather than touch it—good for the reef and for your trim. The route across Horseshoe Reef often passes cleaning stations where butterflyfish swirl around turtles.

Marine life highlights

The video captures a graceful Hawaiian green sea turtle gliding through the reef, then a white-tip reef shark cruising the perimeter—typical daylight behavior that’s calm and non-threatening. Moorish idols, goatfish, triggerfish, and the occasional moray eel round out the cast. Keep at least 10 ft (3 m) from turtles and sharks, move slowly, and let your guide handle positioning so you enjoy the moment without crowding wildlife.

Hawaiian green sea turtle near coral reef off Waikiki, Oahu
A Hawaiian green sea turtle glides past the group—please keep a respectful 10 ft (3 m) distance.

What First-Timers Can Expect on the Boat & Reef

The try dive begins with a concise safety talk at the harbor, then a scenic boat ride toward the site. Most guests prefer morning departures for calmer seas and brighter color. Bottom time typically runs 25–35 minutes depending on breathing rate, with max depths tailored for beginners. A thin 3 mm shorty is comfortable year-round; apply reef-safe sunscreen after the dive, not before, to keep masks clear. If you’re prone to motion sickness, take a non-drowsy remedy at least an hour beforehand and focus on the horizon during the ride. Hair ties, a defog drop in your mask, and snug fin straps make everything easier.

Planning tips for Waikiki visitors

Allow about 2.5–3 hours dock-to-dock and bring a towel, water, and a light breakfast rather than a heavy one. Waikiki hotels are minutes away by rideshare, so it’s easy to fit a dive into your Oahu itinerary. After any SCUBA dive, plan no-fly time for 18–24 hours. For details, browse the SCUBA FAQ or reserve your Honolulu try dive in advance—peak seasons fill quickly.

White-tip reef shark cruising over coral at Horseshoe Reef, Honolulu
Daytime white-tip reef shark behavior is calm and unhurried—great for first-time divers.

Ready to Dive Oahu with Rainbow Scuba Hawaii?

Rainbow Scuba Hawaii makes first-time SCUBA diving in Honolulu feel effortless: clear briefings, calm pacing, and an instructor beside you from the first breath to the final safety stop. This video shows the experience as it truly unfolds—boat ride, descent, turtle encounter, and even a white-tip reef shark—so you know exactly what to expect on Oahu. When you’re ready to turn curiosity into confidence, join us at Horseshoe Reef and start your own underwater story near Waikiki.

Tour At‑a‑Glance

Location: Honolulu, Oahu • Sites: Horseshoe Reef • Type: First Time SCUBA • Operator: Rainbow Scuba Hawaii • Videographer: Ken Goetz