THE #1 CHOICE TO
SCUBA DIVE
MAUI & LANA‘I
COME DIVE WITH US ALONG THE COAST OF MAUI AND LANAI
Extended Horizons operates Maui’s friendliest, most experienced, and caring scuba diving shop in Lahaina. Our group sizes are small (up to 6 divers). Our Nationally credentialed and highly rated naturalist/diving guides know more, see more, and will show you more. We are consistently ranked the top scuba dive charter, conveniently located in Lahaina on Maui’s west side.
THE BASICS
YEARS IN OPERATION:
35 Years Diving Maui!
GUIDED DIVES
Small groups up to 6 divers
FOCUS
Safety, Fun, Education, Conservation
STAFF
Guides are Instructors & Certified Naturalists.
Boat captains are divers too.
ECO-FRIENDLY
100% Bio-diesel boat,
Dive Shop Run on Solar Power
Maui Mooring Sponsorships & Installations
Reef Clean-ups & Recycling
ECO DIVING ETHOS
Extended Horizons was the first, and remains the only boat in Lahaina to run on 100% Biodiesel, sourced and made locally from recycled cooking oils. We’ve been running without fossil fuels since 2006! We are one of only five businesses in the State to receive Platinum recognition and be awarded the coveted Hawaii Clean Fleets award for our green initiatives. Our use of Biodiesel reduces our carbon footprint by 83% compared to Petro diesel.
DEEPER VALUE
LARGE TANKS (80S) AND DIVE COMPUTERS ARE INCLUDED STANDARD IN OUR BOAT DIVE GEAR PACKAGES.
• Small Group Sizes
• Longer Bottom Times
• AL80 Tanks Standard
• Computer Profiles
Meet The Crew
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ERIKCAPTAIN/INSTRUCTOR
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VICTORIACAPTAIN/INSTRUCTOR
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CHRISCAPTAIN/INSTRUCTOR
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AARIKACAPTAIN
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MELANIERECEPTIONIST
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JOHNNYINSTRUCTOR
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JASONINSTRUCTOR
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JENNIFERINSTRUCTOR
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DOERRINSTRUCTOR
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GUDIVEMASTER
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PARKERINSTRUCTOR
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SHELBYINSTRUCTOR
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NOEINSTRUCTOR
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LAURENINSTRUCTOR
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MARENINSTRUCTOR
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FRANÇOISDIVEMASTER
ERIK
Erik is the owner operator of Extended Horizons, which he started in 1983 with two sets of dive gear and a lot of youthful energy! He is a US Coast Guard 100 ton Captain, PADI Instructor, SDI Instructor, regulator repair tech, Visual Cylinder Inspector, Certified Interpretive Guide, as well as our trailer repair tech, sometimes head mechanic and all-around maintenance and fix-it guy! If you’re lucky enough to dive with Erik, hold on to your hat! He is probably the most passionate, animated dive guide on our staff!
VICTORIA
Victoria began her diving in 1986 in Nashville, TN, and has been with Extended Horizons since 1998, when she came out on a Lana‘i charter as an Open Water Diver and decided not to go home! She is Director of Operations, our lead Captain with a US Coast Guard 100 ton license, PADI Instructor, SDI Instructor, a Certified Interpretive Guide, as well as a Published Professional Underwater Photographer. Victoria is also a certified professional for Equine Assisted Psychotherapy (in her former life she was a horse trainer, but now she trains people instead!). Victoria developed the training program for our guides and captains; she does a lot of the organization projects around the shop, usually is our Costco runner, and she’s handy with a toolbox for our various projects around the shop! Of all of those skills, her passion as a dive guide is probably her greatest strength!
CHRIS
Chris was serious about diving, and he had to be because he learned to dive (Open Water through Instructor) in the frigid waters on Lake 16 in Michigan! He decided diving full time was better in warm water, so he made the jump to Maui, where he began dive guiding at Molokini in 2016. He is also a kite surfing instructor – much better in warm water too! He started at Extended Horizons in early 2018 after gaining his US Coast Guard 100 ton captain’s license, and has since become a Certified Interpretive Guide, as well as completed captain training at EH! Chris’ kind, Michigan boy-next-door demeanor puts everyone at ease and his enthusiasm for sharing the marine life makes each dive, as one diver said, ‘an underwater detective’ event!
AARIKA
Captain Aarika grew up sailing in Buzzards Bay, Massachusetts and has been working on the waters of Maui since 2008. She earned her 100 ton Masters license with a sailing endorsement in 2011, following in the footsteps of her Great Great Grandmother, Mary, who was the first female Captain in the merchant marine. Aarika is an avid diver and loves learning about new marine life! She’s in her element out on the water and enjoys sharing her passion with others!
MELANIE
Melanie was born and raised right here on Maui, and has been answering the phones for Extended Horizons since 2007! She commutes each day from Makawao, that’s how much she believes in and loves Extended Horizons! She manages a lot of our social media posts, and enjoys expanding her knowledge of the marine animals vicariously through our photographers! She’s also our go-to gal for renting gear, as well as filling tanks! Plus she’s a whiz at making complex, multi-day dive reservations!
JOHNNY
Johnny is from the Bronx, but decided living somewhere tropical was the way to go! He’s a PADI Instructor, Technical Diver, Regulator Repair Tech, Side Mount Instructor, and before moving to Maui, he dove all along the Meso-American Reef, from Cozumel to Honduras. He started with Extended Horizons the summer of 2018, and is diving his passion: TEACHING SCUBA! He is a newly credentialed Certified Interpretive Guide, and his professionalism and passion for teaching students shines bright on every dive.
JASON
Don’t let his soft-spoke, laid-back demeanor fool you – there’s some depth to this fella! (pun intended) Jason is former Army Infantry Officer who decided to chase his dream of diving after his service. His passions include TEACHING, photography and sharing the underwater world! He has been diving all over the Pacific and fell in love with Hawaii as soon as he arrived on Maui. He is a PADI Master Scuba Diver Trainer, a Certified Interpretive Guide, SDI Closed Circuit Rebreather diver, and is currently working towards becoming a Technical Diving Instructor.
JENNIFER
Jennifer is a toxicologist/molecular based scientist who shifted focus to marine conservation and policy after seeing the changes in the coral reefs over the last 20 years. After returning to school for a Masters degree in Marine Conservation and Policy she decided to become a SCUBA instructor so she could share the love, excitement, and wonder of the ocean. For the last year, she has been living and working in the conservation and professional diving field. The first half of the year she was on small island called Roatan, Honduras and then returned home to the Big Apple (NYC) where she worked creating conservation (and SCUBA) programs for the Girl Scouts of Greater NY and teaching SCUBA. She also has hands-on experience with coral reef restoration, surveying techniques, and aims to inspire a new generation of ocean stewards. She has an affinity for coral, sponges, and eels. Quote: If there is magic on this planet, it is contained in water. — Loren Eiseley
DOERR
Chris Doerr started his diving journey in 2015 on the small Caribbean island of Utila in Honduras, and in these few short years he has over a thousand dives under his belt! Diving has ignited his passion for the ocean and allowed him to travel and explore. His dives have been in the Caribbean, Taiwan, and now here in Hawaii! His favorite part of being an Instructor is seeing the absolute joy and excitement on new diversʻ faces, and helping them overcome any misconceptions they might have about diving. Chris uses his friendly, easy-going, calming skill-set to teach students not only to dive, but more importantly he tries to foster a new insight and appreciation for the ocean and all its creatures. He loves how rewarding scuba diving can be: “you create new divers, but more importantly you create new underwater ambassadors.”
GU
Gu (Goo) was born and raised on a small island is South Brazil and speaks English, Spanish & Portuguese. In 2007 Gu came to USA 12 years ago following his musical career as a signer-songwriter, and began a new passion with his Open Water certification in 2014 in Florida. His dive experience ranges from the wrecks along the East Coast to places like Cozumel, Belize, Ratan, Dominica and St. Lucia thanks to a few cruise ship contracts he took as a musician. His final cruise contract in Hawaiian waters made him both an Advanced and Rescue diver. Once back in Florida he had no other thing in mind than to become a DiveMaster and move permanently to Maui to live his days diving in the morning, playing music in the afternoon and surfing on his days off. Guʻs easy-going energy translates into the perfect slow-paced dive for a guided tour or refresher for folks who want to get back into diving.
PARKER
Parker has been with blowing bubbles since 2013, which lead him to pursue his B.S. in Marine Biology from Oregon State University and become a PADI Master Scuba Diver Trainer. He originally got certified in his home town Boulder Colorado and has dove all over the Caribbean, Great Barrier Reef, French Polynesia, and Galapagos. You can find Parker teaching all sorts of specialties, including: deep, nitrox, wreck, equipment, and more. As a self-professed fish nerd and with his bubbly personality, a dive with Parker means you’re sure to have a good time and learn a lot of new fun fish facts!
SHELBY
Howdy Ya’ll! Shelby is from Texas and began her dive career as Junior Open Water Diver in 2009. Driven by her curiosity into the underwater world, Shelby earned a Degree in Environmental Science, and soon after graduation moved to Honduras to pursue her Instructor Certification and begin her professional Scuba Diving career. She has participated in Coral Restoration Projects and Eco Programs, and began teaching at Extended Horizons in June, where she loves sharing and obtaining knowledge of the Worlds Oceans.
NOE
Noe was born and raised on the island of Kauai, where she became a PADI Instructor after gaining a degree in Biology with an ecology emphasis and minor in chemistry (nerd?). She joined the team at Extended Horizons in 2015 when she moved to Maui. In 2017 Noe dropped down to part-time guiding to pursue a new career. She is now a Registered Nurse who works in the ICU at Maui Memorial Hospital. She’s a smart cookie who can stay calm and think on her feet! On a dive, Noe is a wealth of knowledge and specializes in showing off marine life behaviors and other oddities underwater!
LAUREN
Lauren started with Extended Horizons at the beginning of 2018 as a PADI Instructor and has since gained a credential as a Certified Interpretive Guide. She’s passionate about photography (she’s a wedding photographer y’all), and equally passionate about the marine life. Like the Yin and the Yang, Grounded in the Ocean, Diving is a second home to Lauren.
MAREN
Maren began her dive career in 1999 at UC Santa Cruz, where she went from Open Water Diver through to DiveMaster, while earning a Bachelors degree in Psychology. She decided Maui would be the ideal place to follow her dreams and became a PADI Instructor in 2004. She started with Extended Horizons in 2005, and hasn’t looked back… in fact that’s kind of her thing, always looking forward. She’s now dive guiding with us as a fill-in only, because she has started a new career as a Paramedic and a mom! Maren’s can-do attitude and focus on quality customer service makes each charter with her special
FRANÇOIS
Born and raised in Montréal (French Canadian), François (Frank) was first certified right here on Maui at Airport beach 11 years ago, where he instantly started dreaming of working in the scuba industry. His log includes: Cayman Island, Cozumel and the Bahamas. In 2017 François left his “old life” as a Police lieutenant behind and became a Padi Pro (Rescue , DiveMaster) by doing his DiveMaster course with Extended Horizons in early 2018! He is working toward his Certified Interpretive Guide credential, and loves going slow and taking the time to share the wonder of Maui’s marine life with guests. Quote: ”I am grateful to have the chance to work MY PASSION : Scuba Diving ?!”
WHAT OTHERS ARE SAYING ABOUT EXTENDED HORIZONS
- Matt G
My son and I dove with Chris, Johnny and captain Arrica. They were the best crew we’ve had in a long time. Very nice, funny and knowledgeable. We did Shark... read more 
6/22/2019wvdivermb Over the last 2 years, I have used Extended Horizons for a total of 6 boat dives and 7 shore dives. All of the individuals I have met: Eric, Victoria,... read more
6/12/2019 Had an amazing time! Captain Victoria, Johnny and Jason are an awesome crew who really care about the safety of their passengers and are very competent at what they... read more 
scubaaroundtheworld
5/24/2019 - William_D_Howells I've been diving with this group for over 20 years now, every time we come to Maui (starting before "we"). This is the best all around diving experience in the... read more
8/30/2019 Very nice diving with an experienced, eco-friendly and safety first crew! The team is highly skilled (V. has 10.000+ dives), takes their time when diving (no rush, see also small... read more 
backpackcaesar
6/01/2019Bogdan B Awesome experience, excellent services, very professional and attention to detail. I will use Extended Horizons if I will be back to Maui.
8/01/2019 - MHfry1 Great time with the family! Would reccomend. Shelby and Johnny were great hosts and made us all feel very safe. Super cool first experience. As a novice my... read more
6/29/2019Mark92102 Completed 4 fantastic days of diving with Extended Horizons, where the crew went out of their way to make for a phenomenal dive experience. The briefings included not only what... read more
9/12/2019rhpenning My wife and I have been on many day dive boats in many places and Extended Horizons is one of the best. Captain Aarika, Captain/instructor Chris and Instructor John run... read more
8/24/2019 - staleysp The crew were so professional, fun, organized and considerate. We’ve dove a lot before but these guys are really top notch. Interpretive dive guides explained the dive and fish including... read more
6/27/2019Kingcrew This is our third time diving Extended Horizon's and each time they are exceptional in so many ways. The team is always Top Notch in professionalism, safety and knowledge.They... read more
7/08/2019davidkennett2000 We saw all the marine life we aimed to see — sharks, octopus, sleeping parrotfish and turtles, eels, frog fish, and one beautiful mollusk we couldn’t even identify. ... read more
8/07/2019 - John G Victoria made sure I was on the right track with the correct e-learning plan and dives best suited for me after 30 years being away from diving. Best time ever!... read more
6/13/2019Stephen T I really liked these guys. The crew/staff was very pleasant the entire trip, but also very very organized. Generally when I’m on vacation, I’m trying to avoid organization and structure...... read more
9/11/2019Mark A Aarika, Johnny and Chris couldn't have done a better job. It was a blast! Moray's, sharks, and an incredible collection of tropical fish. We were even lucky enough to get... read more
6/18/2019 - Cynthia S We had a great time on this dive. Extended Horizons has knowledgeable dive staff and is very contiensious about ocean conservation. Small dive groups and great Padi instructors... read more
8/23/2019 My wife and I recently went diving for our first time with Extended Horizons. Eric and Victoria, (the owners) were very knowledgeable and helpful for us 2 newbies. They sent... read more 
Dave Y
6/09/2019henzya Great experience from start to finish. I was really impressed the crew was very attentive from the time you check in to the time you step off of the boat.... read more
8/19/2019 - davetron5000 We dove the Cathedrals in Lanai which is excellent and you should dive there. But this is about the Extended Horizons dive crew. They did a truly excellent... read more
6/18/2019Octopus_Wisperer I have no point of reference as to how the other dive shops on Maui run their tours, but I don't know how they could possibly be any better than... read more
9/07/2019TonyinCalgary This is my second time diving this trip with Extended Horizons, different crew this time and service is just as good. We did 'No Name' and First Cathedrals dive... read more
8/02/2019 - Victoria, Chris, Jennifer and Brandon were super attentive. On the boat they interviewed each of us to find out what we liked and on the dive pointed out these... read more
michalandrich
5/29/2019hitx94 Our instructor Shelby was exceptional. She was patient and kind. I was very scared after not being able to lower myself in the water. She took the... read more
8/21/2019Daniel H The charter I booked was smooth going, very informative regarding safety, dive briefing, etc. Great thing about the dive besides seeing a huge pod of dolphins was the very informed... read more
7/25/2019 - myschel I originally booked with Extended Horizons to dive the Lanai Cathedrals, but loved diving with them so much that I decided to go for my advanced open water certification and... read more
7/05/2019 I've have dove with 50 different dive companies. Extended Horizons does it best. Knowledgeable staff. Friendly, patient and helpful. I like the "Green" philosophy of this dive operation.... read more 
MeanMom419
6/06/2019Dana Q They are very knowledgeable and do their best to make sure you see a variety of sea life. good safety reviews. Whole family had a great time
8/22/2019 - jprizer
Completed two shore intro dives with friends who had never been before. Honestly, I think boat dives offer a better experience. But one friend was extremely nervous and I thought... read more
9/17/2019nodough500 Did a mixed group shore dive (certified/uncertified) with Johnny today. Top notch knowledge on the instruction and marine life. It's obvious these guys enjoy what they do. Even if... read more
6/10/2019lemailme84 Went on the early morning Lanai dive trip. Jason and Arrica (sp?) were two great leaders, and helped make the morning a most enjoyable experience. They boat experience was great,... read more
7/19/2019
WHAT WE HAVE TO SAY FOR OURSELVES
We’ve been diving Maui and operating scuba charters to Lanai since 1983. We offer the highest quality dive trips that can be found departing from Maui’s west side. Our commitment is to creating an experience for divers that is safe, fun, interesting and first class. Our dive guides are trained in the local ocean ecology and have years of experience as scuba instructors.
Join our guides for tours that highlight marine behaviors. Any guide can point out obvious stuff like turtles, better guides actually know the names of fish, our guides also can interpret marine life behavior patterns. Their years of experience diving Maui and Lanai allow them to know where animals live, when they mate, and why they are acting unusually.
Extended Horizons Scuba talks about saving the reef and leads by example. To prevent anchor damage, Extended Horizons spearheaded the actual putting in of the first 14 moorings on Lanai in the late 90’s and continues to sponsor local NGO’s, working hard to make Maui a mooring friendly place. Additionally, Extended Horizons conducts semi-annual underwater reef clean-ups, so far we’ve removed over 400 lbs of marine debris off Maui County’s reefs this year 2018! Additionally, Extended Horizons conducts semi-annual underwater reef clean-ups; check it out on our SPECIAL EVENTS page!
We are the ONLY commercial marine tour boat on West Maui running on 100% biodiesel. (Not the only dive boat- the only Commercial boat) Our commitment to run 100% is unique. While some businesses try to greenwash their image stating they run biodiesel, often this is just a small percentage blend. (Sometimes as little as 1%). Better yet, our biofuel is made locally in the State of Hawaii from recycled feedstocks by Pacific Biodiesel. It does cost slightly more than regular petrol diesel however it is much much much easier on the environment, reducing our carbon footprint (finprint?) by over 80% compared to petrol diesel.
With over 35 years in the scuba industry we rely heavily on repeat business & word of mouth.
Everyone says “We’re the best” however if you prefer an unbiased opinion, check out what others say about us by looking at reviewer sites like Yelp or TripAdvisor.
Please do call us for reservations! We will show you Maui & Lanai scuba diving with a quality difference such as: using large tanks (80’s) for all divers, making computers a standard part of our rental gear, and showing you the unusual and rare sites that Maui and Lanai have to offer.
You can read about moorings on Maui and Lanai and help with the effort. Make a donation earmarked for Lanai moorings or Maui moorings by a click to MALAMA KAI. Donation is tax deductible and will make a difference on Maui’s and Lanai’s reefs for scuba divers and snorkelers today… and in the future.