Small Wall, Mnenba Island - Zanzibar & Pemba

Tres Cocos Canyons is one of those easy-going Ambergris Caye dives that always delivers, especially if you catch it on a calm day. We love the drift here, usually a gentle push from the north, guiding you through these big, sandy canyons lined with massive coral formations. You'll see plenty of Boulder Brain Coral and Ridged Cactus Coral, forming walls that feel surprisingly intimate. It’s ideal for newer divers, but even seasoned folks enjoy cruising along, spotting Green Turtles munching on seagrass or a curious Gulf Toadfish peeking from a crevice. Keep an eye out for larger pelagics too; being so close to the reef cut means dolphins occasionally pass by, and we’ve had some great encounters with spotted eagle rays gliding over the sandy bottoms. The visibility hovers around 19m, making it a comfortable dive for photography without feeling overwhelming. This site is perfect for a relaxed afternoon drift, where you can simply enjoy the slow pace and the subtle shifts in the reef.

Location
Zanzibar & Pemba, Tanzania, Indian Ocean & East Africa
Coordinates
-5.831800, 39.385600
Type
reef
Maximum Depth
15-40m

Marine Protected Area: Maziwe Island

Best Time to Dive in Zanzibar & Pemba

The warmest water temperatures in Zanzibar & Pemba occur in January, averaging 28.1°C. The coolest conditions are in December at 28.1°C.

Monthly Water Temperatures

  • January: 28.1°C (air: 27.5°C)
  • February: 28.1°C (air: 27.9°C)
  • March: 28.1°C (air: 27.7°C)
  • April: 28.1°C (air: 26.1°C)
  • May: 28.1°C (air: 26.1°C)
  • June: 28.1°C (air: 25.4°C)
  • July: 28.1°C (air: 24.8°C)
  • August: 28.1°C (air: 24.9°C)
  • September: 28.1°C (air: 25.4°C)
  • October: 28.1°C (air: 26.2°C)
  • November: 28.1°C (air: 26.7°C)
  • December: 28.1°C (air: 27.3°C)

Nearby Dive Sites in Zanzibar & Pemba

Nearest Dive Centres to Small Wall, Mnenba Island

Marine Life in Zanzibar & Pemba

Home to 331 recorded species including 266 reef fish, 14 sea snails & nudibranchs, 10 seagrass & algae, 8 hard corals, 8 sharks & rays, 7 sea cucumbers.

Notable Species

Recommended Packing List for Small Wall, Mnenba Island

Based on average water temperature of 28.1°C.

  • Shorty or Rashguard - warm 28°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 is the typical depth range for diving at Small Wall, Mnemba Island?
The coral reef at Small Wall, Mnemba Island, is extensive, starting at the surface and reaching depths of up to 50 meters. Divers can explore a captivating environment with a second drop-off around 30 meters, though the maximum depth for many recreational profiles is 19 meters. This site accommodates a wide range of experience levels, from OWD to XR addicts.
What kind of marine life can divers expect to see at Small Wall, Mnemba Island?
At Small Wall, Mnemba Island, divers can anticipate a rich array of marine life. In the shallower sections, you'll often be greeted by pufferfish, bannerfish, and vibrant schools of snapper. Venturing deeper, keep an eye out for larger species such as Napoleons and big groupers, adding to the site's diverse wildlife.
Is Small Wall, Mnemba Island suitable for beginner divers, or is it considered an advanced dive site?
Small Wall, Mnemba Island, is a highly versatile dive site, welcoming divers of all experience levels. Although officially categorized with an intermediate difficulty, it's an excellent spot for beginner Open Water Divers (OWD) to explore. More experienced divers, including technical (XR addict) enthusiasts, will also find captivating environments and depths to enjoy.
What are the best months or times of year to dive at Small Wall, Mnemba Island for optimal conditions?
The provided information for Small Wall, Mnemba Island, does not specify the best months or times of year for optimal diving conditions. We recommend checking a comprehensive when to dive guide for the Zanzibar & Pemba region to plan your trip accordingly.
What scuba diving certifications are required to dive at Small Wall, Mnemba Island?
Small Wall, Mnemba Island, is accessible to a broad spectrum of certified divers. It is considered a great spot for all levels, from Open Water Divers (OWD) upwards, suggesting an OWD certification is the minimum requirement. The site's diverse features also appeal to highly experienced technical divers, referred to as XR addicts.
What are the typical current conditions and visibility like at Small Wall, Mnemba Island?
At Small Wall, Mnemba Island, divers can look forward to very good visibility, with an average of 19 meters reported. However, the provided data does not include specific information about the typical current conditions at this dive site.