Gordo Banks – Cabo San Lucas & Los Cabos
Site Overview
Gordo Banks is an offshore seamount rising from the deep ocean floor south of Cabo San Lucas that serves as a magnet for large pelagic species including schooling hammerhead sharks, yellowfin tuna, blue marlin, and silky sharks in one of Baja's most exciting advanced diving experiences. The submerged pinnacle rises from depths exceeding 100 metres to within 10 metres of the surface, creating an underwater island that concentrates ocean life from the smallest baitfish to the largest predators. During the summer and autumn months, schools of scalloped hammerheads numbering dozens to hundreds of individuals circle the seamount, their distinctive silhouettes against the deep blue water creating images that define pelagic diving. Yellowfin tuna and dorado hunt in the blue water above the pinnacle while silky sharks patrol the deeper slopes. Spotted eagle rays glide past on the current while enormous groupers rest on the rocky substrate. The 45-minute boat ride across open ocean adds an element of adventure and expedition atmosphere that filters for committed divers seeking truly remote pelagic encounters. Surface conditions must be favourable for both the transit and the diving, making weather monitoring essential and cancellations common during the winter months. For those who make the journey, Gordo Banks delivers the kind of big-animal diving that justifies the effort and expense, with the hammerhead schools being the undisputed highlight that draws divers from around the world to this remote corner of the Sea of Cortez.
Dive Briefing
"Depart Cabo San Lucas marina early morning for the 45-minute open-ocean crossing to Gordo Banks. Surface conditions must be assessed before departure and can change during transit. Descend quickly along the seamount slope to the working depth of 15-30 metres where pelagic action concentrates. Use the rock formation as your reference point and current break while scanning the blue water for approaching sharks and schooling fish. Hammerhead schools typically circle the seamount at 20-30 metres depth — remain still and let them approach. Tuna and dorado hunt overhead creating exciting action throughout the water column. Monitor air consumption carefully as the depth and current significantly increase gas usage. Stay within no-decompression limits at all times given the remote location. Ascend gradually along the slope with an extended safety stop. Surface immediately if conditions deteriorate and signal the boat. The remote location demands conservative dive planning and excellent self-sufficiency from all divers in the group."
Signature Marine Life
Scalloped Hammerhead
Sphyrna lewini
Best: July, August, September
Yellowfin Tuna
Thunnus albacares
Best: May, June, July
Blue Marlin
Makaira nigricans
Best: May, June, July
Silky Shark
Carcharhinus falciformis
Best: May, June, July
Spotted Eagle Ray
Aetobatus narinari
Best: January, February, March
Safety & Hazards
- Strong unpredictable ocean currents
- Remote offshore location far from emergency services
- Rough surface conditions during transit
- Depth management at 40 metres
- Nitrogen narcosis risk at depth
Traveler Notes
Who is this for?
Exclusively for advanced divers with significant pelagic and current diving experience in open ocean environments. Advanced Open Water certification with 50+ logged dives is the minimum requirement for participation. The combination of 40 metre depth potential, strong currents, and remote location demands confident, self-sufficient divers at all times. Extraordinary for wide-angle and blue-water photographers seeking hammerhead and pelagic subjects against deep blue backdrops. Not suitable for divers uncomfortable in open ocean conditions or strong currents at depth. Physical fitness is important for managing the strong currents and surface swims in potentially rough conditions throughout the dive.
Quick Stats
Dive Logistics
- Sea Adventures
- Cabo Dive Center
Photography Info
Best for: wide_angle