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Skip to main content
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Explore Oahu’s USS Nashua: Historic Navy Tug Dive Adventure

Explore Oahu’s USS Nashua: Historic Navy Tug Dive Adventure

Certified Divers Only

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  4. Explore Oahu’s USS Nashua: Historic Navy Tug Dive Adventure

Adventure Brief

Dive into Oahu’s underwater history by exploring the USS Nashua, a sunken Navy tugboat transformed into a thriving artificial reef. Join Ocean Therapy Charters for a certified diver experience amid vibrant marine life and Hawaiian waters.

3–5 hours
challenging
Family Friendly

Keep the Adventure Going

More ways to explore the area's outdoor wonders

No Experience Required

Dive beneath the warm turquoise waters off the coast of Honolulu, Hawaii, to experience a unique underwater adventure exploring the USS Nashua, a historic Navy tug repurposed as an artificial reef. Operated by Ocean Therapy Charters, this certified-diver-only excursion offers an intimate encounter with one of Oahu’s most intriguing submerged landmarks and a bustling marine ecosystem thriving around the sunken vessel. Situated in the Pacific Ocean just off Waikiki’s shores, this dive site combines the allure of military history with vibrant ocean life, making it a standout destination for adventurous scuba enthusiasts visiting Hawaii.

The USS Nashua, a decommissioned tugboat, now rests on the ocean floor, its steel hull providing shelter and habitat for schools of tropical fish, moray eels, and intricate coral growths. The ship’s structure creates a maze of nooks and crannies perfect for exploration, but also demands respect and caution to preserve this artificial reef’s delicate environment. Its transformation from naval service to thriving marine sanctuary illustrates the sustainable efforts in Hawaii to support aquatic biodiversity and recreational diving.

Ocean Therapy Charters stands out in Honolulu’s packed dive scene by offering expert guidance, top-tier safety protocols, and an intimate group experience that ensures certified divers can engage fully with the site’s unique features. The crew’s deep knowledge of the USS Nashua's history and the surrounding reef conditions enriches every dive, blending education with thrill. Beyond the dive itself, the charter provides panoramic ocean views and the chance to spot dolphins or sea turtles on the boat trip to and from the site.

The USS Nashua dive is ideal for intermediate to advanced certified divers seeking a challenging but rewarding boat dive off Oahu’s coast. Visibility is typically excellent, with warm waters adding comfort and a chance for extended bottom times. This trip also offers a rare opportunity to dive a piece of US naval history while encountering native Hawaiian marine wildlife. Staying in Honolulu means easy access to local amenities, beaches, and culture, making this adventure part of a rich Hawaiian travel experience.

For divers and ocean lovers drawn to historic wrecks and marine ecosystems alike, this Navy tug dive through Ocean Therapy Charters captures the spirit of adventure and conservation in Hawaii’s vibrant underwater world. Prepare to explore the depths where history meets life, and leave with memories of a dive that balances excitement, education, and environmental respect.

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Trip Details from the Operator

Frequently Asked Questions

Divers must hold at least an Open Water Diver certification to participate in this dive.

The wreck sits at an average depth of 60 to 90 feet, suitable for intermediate certified divers.

Currently, Ocean Therapy Charters offers daytime dives only for the USS Nashua.

Key Highlights

Difficulty

challenging

Duration

3–5 hours

Fitness Level

Good physical condition recommended; comfortable swimming and diving skills required.

Local Insights

Wildlife

  • Hawaiian green sea turtle
  • Reef butterflyfish

History

The USS Nashua served as a Navy tug before being intentionally sunk to create an artificial reef and dive site.

Conservation

Efforts focus on preserving the artificial reef through responsible diving practices and limiting visitor impact to protect marine biodiversity.

Related Adventures & Guides

  • See other trips from Ocean Therapy Charters
  • Explore more Honolulu adventures
  • Browse more water activities experiences

Operated By

Ocean Therapy Charters

Certified Divers Only

About Ocean Therapy Charters

Ocean Therapy Charters operates professional ocean excursions and wellness charters in Waikiki and southern Oahu. The company offers private and shared experiences including snorkeling cruises, SCUBA wreck dives, whale-watching charters, sunset and fireworks cruises, memorial ash scattering services, and on-board IV therapy infusions such as Alpha Lipoic Acid, High Dose Vitamin C, and iron treatments. Certified captains, experienced dive staff, and licensed medical professionals support each trip to ensure safety and comfort for every guest.

Trips range from 90-minute snorkeling and whale-watching sails to multi-hour private charters that include guided reef snorkeling, oversized swim platforms, and VIP service. Specialized offerings combine wellness and ocean time with post-activity IV infusions or mobile infusion options designed to complement snorkeling and diving excursions. Memorial ash scattering services are conducted with respect and ceremony, using fresh plumeria lei petals and private escort options to create meaningful, private farewells at sea.

Ocean Therapy Charters maintains strict safety protocols, certified lifeguards on snorkeling trips, and experienced dive teams for wreck and night dives. Boats are stocked with snacks, water, and options to bring personal beverages on select cruises. Booking, customization, and dietary or medical accommodations are available through direct reservation. Guests choose Ocean Therapy Charters for reliable vessels, knowledgeable crews, combined wellness services, and thoughtful memorial arrangements that honor family wishes while delivering memorable ocean experiences.

Onboard staff provide safety briefings, gear, and local marine briefings. Accessible scheduling, clear pricing, and responsive booking support aim to simplify travel planning for visitors seeking meaningful ocean experiences today.

Ocean Therapy Charters fleet
Ocean Therapy Charters team

Tours Offered

13+

Snorkel, dive, wellness, memorial trips

Private Charters

5

Small-group and private VIP options

IV Therapy

4 Options

Onboard vitamin and infusion treatments

Fireworks Cruises

2

Friday-night Waikiki fireworks front-row

CTA Section Background Image

Reserve a Charter, Wellness Treatment, or Memorial Ceremony

Book a private or shared trip for snorkeling, diving, IV therapy, or an ash scattering ceremony — personalized service and flexible scheduling available.

Adventure Tips

Bring Your Certification Card

This dive is for certified divers only—ensure you have your current certification card on hand.

essential

Check Weather and Sea Conditions

Ocean conditions can change; confirm favorable weather before your dive day for safety.

essential

Respect the Wreck Environment

Avoid touching or disturbing the vessel and marine life to preserve the artificial reef's health.

info

Use a Dive Computer

Tracking your depth and bottom time helps ensure a safe and enjoyable dive.

essential

Recommended Gear

Full Scuba Gear

Complete scuba equipment including regulator, BC, fins, mask, and wetsuit is required for this dive.

Essential

Dive Computer

Necessary for monitoring your depth, time, and decompression status underwater.

Essential

Underwater Camera

Capture the vibrant marine life and shipwreck architecture during your dive.

Wetsuit (3mm or 5mm)

Provides thermal protection in Hawaii’s tropical waters for extended bottom time.

spring;summer;fall;winter

Essential
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