Wreck Alley - Salt Island & Cooper Island

The Baby Barge isn't just another sunken boat; it's a bona fide time capsule, resting in about 20 metres of water off Oahu. We love how approachable this wreck is, perfect for divers wanting a proper penetration without needing extensive tech training. Inside, the light filters through the openings, illuminating schools of snapper that have made the hold their home, darting between the decaying machinery. Look closely, and you’ll spot nudibranchs clinging to the bulkheads and a resident frogfish, if you have the eye for it. What makes the Baby Barge shine is the sense of discovery. You can spend a good chunk of your bottom time here, weaving through the superstructure, exploring the nooks and crannies where eels often hide. The bow section is our favourite, with its dramatic profile and the way the coral has started to encrust the metal, transforming it into an artificial reef. Visibility here is usually decent, often 20 metres plus, making it easy to appreciate the full scope of the wreck. It’s a fantastic dive for anyone keen on wreck exploration, offering enough complexity to be interesting but staying within recreational limits.

Location
Salt Island & Cooper Island, British Virgin Islands, Caribbean
Coordinates
18.370700, -64.510400
Type
wreck

Wreck History - Wreck Alley

Vessel Type
barge
Cause
scuttled

The Baby Barge is a classic Hawaiian dive site and a perfect introduction to wreck diving. While its specific history is not well-documented, it is widely believed to have been intentionally sunk to create an artificial reef, a common practice that enhances the marine ecosystem and provides fantastic opportunities for divers. Its simple, open structure and relatively shallow depth make it an ideal training ground for those new to exploring underwater structures, allowing them to hone their buoyancy and navigation skills in a safe and controlled environment.

Despite its humble origins, the Baby Barge is teeming with life. Its metal framework has become a thriving habitat for Hawaii's iconic marine creatures. Divers frequently encounter green sea turtles (honu) resting on its deck, while schools of reef fish swarm around its edges. White-tip reef sharks are often found sheltering underneath the barge, making for an exciting and memorable encounter. It’s a testament to how quickly the ocean can transform a simple structure into a vibrant and bustling underwater neighborhood.

Marine Protected Area: Cooper Island

Best Time to Dive in Salt Island & Cooper Island

The warmest water temperatures in Salt Island & Cooper Island occur in January, averaging 27.1°C. The coolest conditions are in December at 27.1°C.

Monthly Water Temperatures

  • January: 27.1°C (air: 25.5°C)
  • February: 27.1°C (air: 25.1°C)
  • March: 27.1°C (air: 25.2°C)
  • April: 27.1°C (air: 25.7°C)
  • May: 27.1°C (air: 26.8°C)
  • June: 27.1°C (air: 27.6°C)
  • July: 27.1°C (air: 27.8°C)
  • August: 27.1°C (air: 28.1°C)
  • September: 27.1°C (air: 28.3°C)
  • October: 27.1°C (air: 28.0°C)
  • November: 27.1°C (air: 27.1°C)
  • December: 27.1°C (air: 26.3°C)

Nearby Dive Sites in Salt Island & Cooper Island

Nearest Dive Centres to Wreck Alley

Marine Life in Salt Island & Cooper Island

Home to 504 recorded species including 410 reef fish, 39 hard corals, 13 sharks & rays, 9 other, 7 whales & dolphins, 6 seagrass & algae.

Notable Species

Recommended Packing List for Wreck Alley

Based on average water temperature of 27.1°C.

  • Shorty or Rashguard - warm 27°C water needs minimal exposure protection
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories

Frequently Asked Questions

What are the typical depths of the wrecks in Wreck Alley, San Diego?
The Wreck Alley we're discussing is located in the British Virgin Islands, specifically near Salt Island & Cooper Island, not San Diego. At this site, divers can explore four distinct wrecks - the Marie L, the Pat, the Beata, and the Island Seal - with a maximum depth of 24 meters.
What kind of marine life and underwater structures can divers expect to see at Wreck Alley?
Divers exploring Wreck Alley can expect to encounter a fascinating array of marine life and structures. This site is home to a large colony of garden eels and frequently visited by stingrays, which are known to swim gracefully through dive groups. The underwater structures consist of four intentionally sunk wrecks: the Marie L, the Pat, the Beata, and the Island Seal, providing ample exploration opportunities.
How challenging is diving Wreck Alley, and what skill level is recommended for divers?
Diving Wreck Alley is considered to be of intermediate difficulty. This means it's suitable for divers who have some experience beyond their entry-level certification and are comfortable with wreck diving environments. While not overly challenging, divers should possess good buoyancy control and awareness.
When is the best time of year to dive Wreck Alley for optimal conditions and visibility?
Our current data for Wreck Alley does not specify the best time of year for optimal conditions. However, the site boasts an excellent average visibility of 19 meters, making it a rewarding dive experience throughout much of the year. For more general information on seasonal diving in the region, you might consult our When to Dive guide.
What scuba diving certifications are required or recommended to dive Wreck Alley?
Given that Wreck Alley is classified as an intermediate dive, a basic Open Water Diver certification is typically sufficient, but an Advanced Open Water Diver certification is highly recommended. For those interested in exploring the wrecks more thoroughly, a Wreck Diver Specialty certification would provide valuable skills and knowledge. This will enhance your safety and enjoyment while navigating the four distinct wreck structures.
What are the typical water temperatures, currents, and visibility conditions like when diving Wreck Alley?
While specific data on typical water temperatures and currents for Wreck Alley is not provided, divers can generally expect excellent visibility. The average visibility at this site is a clear 19 meters, offering fantastic views of the four wrecks and marine life. For general information on Caribbean water conditions, please refer to broader regional guides.