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Poseidon
Proud to wear the trident
We don't certify
We forge divers
It's not about being fearless; it's about being so prepared that fear turns into respect. Any challenge, underwater or on the surface, is conquered the same way: not with a leap of faith, but with hours of training. Confidence is the consequence of your discipline. Stop doubting, prepare, and move forward.
Join me on this exciting journey beneath the surface. I am Franjo Sánchez, and I invite you to explore the underwater world through my eyes and my experience.
With over 25 years dedicated to training and equipment servicing, working with everyone from recreational divers to the most specialized rescue units, I have turned my passion into my profession.
In my dive courses, I will pass on not only the technique but also the confidence and respect this environment demands. And on our adventures, I will guide you to incredible places, like those caves where I feel right at home. My experience is the foundation for your learning and your safety. Let me guide you on this path.
latest from
The regulator maintenance course taught by Franjo Sánchez and his team is, quite simply, the best investment any diver who cares about their safety and the longevity of their equipment can make.
Response from the owner 06:07 19 Nov 25
Muchísimas gracias Héctor. Ya sabes dónde nos tienes para lo que necesites. 
The warmth and hospitality are unparalleled. Don't miss the opportunity to visit El Cortijo Subacuático and its owner, Franjo. Wonderful!!!
Response from the owner 11:14 20 Jun 21
Muchísimas gracias!
A true expert in knowledge, technique, and experience—top-notch—but an even better person and an incredible communicator. A pleasure to be his student 😉
Response from the owner 06:04 12 Nov 25
Muchísimas gracias Emilio. El placer ha sido nuestro. 
A great instructor gave me an amazing multi-brand regulator course, I highly recommend him. Thanks Frango! 👌👏👏👏
Response from the owner 06:03 12 Nov 25
Muchísimas gracias! Un verdadero placer. Y enhorabuena por el esfuerzo que estás haciendo en formarte en tantas marcas. 
I took the regulator maintenance course with Franjo. It was incredibly interesting, with a lot of professionalism, patience, and friendliness. He was the only one who also explained how Poseidons work and maintain them. Besides learning, it was also a lot of fun. We worked hard, but there was also a lot of laughter. I recommend it!
Response from the owner 06:04 12 Nov 25
Muchísimas gracias Amigo! Deseando coincidir contigo en los cenotes 😉
Everything you would expect from an instructor is there: attentive, interactive, formal, friendly, formal, fun... I will definitely have him in mind when I think of my trusted instructor.
Response from the owner 19:51 10 Aug 24
¡Muchísimas gracias Pedro! Ha sido un placer compartir contigo madrugadas en el curso de Nitrox 😉 ¡Un abrazo!
Very professional and nice!!!
Response from the owner 16:46 29 Jul 24
Muchas gracias amigo!
Knowledge takes up no space if you also have an expert in the field who lives it and explains it in an engaging and fun way, then you have no excuse.
Thanks, Franjo. I'll be training with you again in other subjects.
Big hugs.
Thanks, Franjo. I'll be training with you again in other subjects.
Big hugs.
Response from the owner 15:02 28 Jul 24
¡Muchísimas gracias! Un placer compartir contigo de nuevo. Un abrazo
I completed Franjo's Diving Regulator Maintenance course.
In addition to demonstrating a thorough understanding of all the regulators, he gave us clear and in-depth explanations of their operation and handling.
He gave me the confidence I needed to perform maintenance on my regulators.
In addition to demonstrating a thorough understanding of all the regulators, he gave us clear and in-depth explanations of their operation and handling.
He gave me the confidence I needed to perform maintenance on my regulators.
Response from the owner 10:51 30 Apr 24
Muchísimas gracias, Raúl. Un placer contar contigo en el curso de Mantenimiento de Reguladores. Ahora, a aprender haciendo regus 😉
An incredible place, not only because of the setting that is from a movie, but also because of the quality of the people who work there, Franjo, without a doubt, the best.
Highly recommended both for initiation courses, and if you are crazy about bubbles and want to specialize in Technical Diving.
The Cortijo, the best.
Highly recommended both for initiation courses, and if you are crazy about bubbles and want to specialize in Technical Diving.
The Cortijo, the best.
I did the regulator maintenance course with Franjo in Marepolis. As expected, it has been a great course. Franjo is an eminence in the world of diving and has a very good teaching capacity. He is a simple and very, hard-working and very attentive guy. Many thanks for everything.
Excellent professionals, of which it is difficult to find. Very family atmosphere. You feel at home and surrounded by friends. I have been diving for 40 years and I have known few centers like this. Franjo is, perhaps, the best instructor with whom I have had the pleasure of learning. Not only does he have extensive knowledge of the disciplines of diving, but he also knows how to transmit them in a pleasant, clear and simple way. It is difficult to find a diver of such a level and who, in addition, knows how to transmit knowledge in such a way that everything seems simple. He is a true teacher
Very nice place ti dive, train and make friends, the best was the courses we took, thanks to Franjo...
Relaxing Dive experience with El Cortijo Subaquatico
The dive centre is located inside Natural Park Cabo de Gatas-Nijar. Very good for a long weekend holiday in a remote location. I could store my gear at the dive centre, with no problem.
Did 3 dives, instead of 6, due to weather and water visibility. Will try to come back other time. Last dive was great (15m visibility, 75min dive time and lots of fish to see).
Lots of aquatic fauna, and big shoals of Med Barracuda. Staff is friendly, very supportive and experienced.
The dive center has good accommodations and very relaxing to be after the dives. Also the staff can provide you with free drinks, soda can or beer as you like. Before and after the dive, water was always available which is important to avoid dehydration.
I liked the fact that staff helped to carry the gear before and after the dive, but let the diver assemble / disassemble his own gear with plenty of time. Had problems with manifold pressure gauge and DIN O-Ring, extra time was helpful to correct and test all gear was ready for safe usage.
Some things to improve:
Showers and bathrooms should be in a new building with separated areas for men and women. I enjoy getting out from the dive and having a shower quickly, with hot water available.
The cylinders should be in the shade, and separated in marked areas, indicating ones for maintenance, full/available and already used by customers.
Cleaning tanks for dive equipment should be bigger and easier to access, with anti bacterial detergent for wet-suits and boots (could be similar to the Turtle tank)
The harbor should be improved for people to board the boats in a safer way. It is bad that the divers need to get into the boat from the shore. Natural Park Management´s fault on this.
The dive centre is located inside Natural Park Cabo de Gatas-Nijar. Very good for a long weekend holiday in a remote location. I could store my gear at the dive centre, with no problem.
Did 3 dives, instead of 6, due to weather and water visibility. Will try to come back other time. Last dive was great (15m visibility, 75min dive time and lots of fish to see).
Lots of aquatic fauna, and big shoals of Med Barracuda. Staff is friendly, very supportive and experienced.
The dive center has good accommodations and very relaxing to be after the dives. Also the staff can provide you with free drinks, soda can or beer as you like. Before and after the dive, water was always available which is important to avoid dehydration.
I liked the fact that staff helped to carry the gear before and after the dive, but let the diver assemble / disassemble his own gear with plenty of time. Had problems with manifold pressure gauge and DIN O-Ring, extra time was helpful to correct and test all gear was ready for safe usage.
Some things to improve:
Showers and bathrooms should be in a new building with separated areas for men and women. I enjoy getting out from the dive and having a shower quickly, with hot water available.
The cylinders should be in the shade, and separated in marked areas, indicating ones for maintenance, full/available and already used by customers.
Cleaning tanks for dive equipment should be bigger and easier to access, with anti bacterial detergent for wet-suits and boots (could be similar to the Turtle tank)
The harbor should be improved for people to board the boats in a safer way. It is bad that the divers need to get into the boat from the shore. Natural Park Management´s fault on this.
