My daughter took the Weekend *PLUS* Course. Thomas was her instructor and took the class through…read moresafety, and all the information needed to begin this adventure. The weekend ended with completing her classroom/pool certification and moving on to dives 1 and 2 for open water certification. Those dives were at the Downtown Aquarium in Denver. I had the opportunity to sit by the segment of the tank where they were going through all the skills they learned in class. It was a lot of hard work over the course of one weekend but worth it. The store staff was always welcoming. They helped us with fitting her with the right mask, the right fins and a few other necessities. We had also booked for her to do dives 3 and 4 to complete open water certification the next month at Blue Hole in New Mexico. On the second day of her weekend class, we had her measured for the dive suit she would need for the New Mexico dive. At that time we made arrangements for when we would pick up her tank, weights, suit and vest for that excursion. A few weeks later it was time for New Mexico. One of her instructors, Heather, was in contact via email to let her know the schedule and to provide the information for getting her diving permit for that site. Heather was helpful answering questions. On the morning of our road trip, we popped into the shop shortly after they opened and picked up her gear for the dive. At Blue Hole, the A-1 instructors, Heather and Carol, were informative and got the group ready for their descent. My daughter had some difficulty with one of her mask skills and both Heather and Carol worked with her until she was able to get the skill down that she needed to complete. Highly recommend A-1 Scuba. The instructors want to see their students succeed. They are patient and encouraging.

I had the pleasure of learning to scuba dive through A-1 Scuba diving 40 years ago. I have…read morecontinued to be a patron throughout the years because they have great scuba gear, a fantastic facility and they are the nicest group of people I've met in a business related capacity. I haven't been diving with them for an extended period now due to health related issues, but I'm planning a trip with them sometime in the hopefully not too distant future to motivate me as I go through addressing some of these problems via appropriate surgical procedures . Just knowing my reward for having these procedures done will be a dive trip with them is providing motivation for my pre-surgical pre-rehab routine and post op. Prehab is the exercises and activities you do before a surgery in order to optimize the surgical recovery and results . Diving is such an intoxicating activity. I could think of none better to serve this function. The inherent joy of diving is enhanced when you go with an A1 sponsored trip because you typically meet a great group of people and share a lot of spectacular diving as well as fun post diving activities. Yes and one or two libations might enter the picture. Thank you everyone at A-1!! I can't believe that after all these years of you providing excellent services and equipment to me that I didn't take the time to acknowledge your excellence before.

The folks at One World are amazing! We live in Texas and have been on 3 dive trips with them. Their…read morecommunication and attention to detail are excellent. Their group trips are fun and the people are great and very friendly to new and inexperienced divers. We did our Advanced Open Water dive training with Brian and Jill in Bonaire and it was way more fun than my basic open water in a freezing quarry in Texas. Michelle is very responsive to travel questions and even helped a group of us schedule a separate dive trip to Caymans that was amazing. We're booked for 2 more upcoming trips. Highly trusted shop and highly recommend!

The customer service was terrible regardless of what the business tried to claim in trying to…read morenegate my review. It was unfriendly, condescending and I was not treated like a "customer" but rather an irritant to potentially extract additional $$ from.

Private swim lessons for my 7 year old grandson are going so well! David is good with him and he is…read morenow safe and comfortable in the water!!

Service was very helpful when I bought a new mask, snorkel and fins. I was on a one month snorkel…read moretrip and the mask leaked from the bottom the whole time. I tried to exchange the mask and they will not take anything back that has been in water besides their pool. I asked how that could've happened and they said I could have tested the mask in their pool when I bought it. I never knew that! Service was great, but their return/exchange policy is awful!

A terrific business with a fantastic event today for their 40 th Anniversary. My husband has been…read morediving with them since the 80s and every trip a winner. They also stock a great selection of gear and he has bought much over decades. I have bought gifts for him as well as for others. Their travel department handles not only their group trips but can set up independent trips for other customers too. Because of the pandemic and some family illnesses, my husband has not been able to take any dives since early 2020. But he is headed out again with them this spring with hopes for more trips in the future. Supporting such a local and long time family business in Boulder is important now more than ever. We both needed to see what was happening these days, pick up some new gear and a gift for someone else too. It was well worth spending a few hours at the event as well as in the store. It was nice to meet the new staff since we were last in, as well as see the owner and long time staff we already knew. It was incredibly well attended, even during a CU home football game. But they will have a second day of the event tomorrow. 9/10/23.

Best dive shop in CO IMO. Very knowledgeable group and very tuned to the needs of their clients…read more Ocean First has some very unique features that set them apart. Really have enjoyed meeting and learning from them as the years have gone by.

Fantastic new ownership, great trips, reasonably priced compared to other shops. Works well with…read morecustomers from beginners to advanced divers. You feel welcome when you walk in the door.

Great people. Allowed me to try out a snorkel and mask in their pool. Very nice and enthusiastic…read more Highly recommend

We were able to set up a private try-it class with Ocean First (we actually have 3 separate…read moreclasses). We set it up for our girl scout troop. They were easy and pleasant to work with to get the classes set up. We had our first class today. I attended the class today as well. Our teacher was professional and personable. We did 30 minutes in class room. and then 90 minutes in the pool. I personally deal with some sensory issues and i was able to work through them and was personally very happy with my experience. The girls that were able to go today also all really enjoyed themselves! What a great experience! I can't wait for my other girls to be able to try it. And my daughter is now interested in getting scuba certified as well! Great job Ocean First! Thank you so much for everything!

I did my Accelerated Open Water Certification Course through Ocean First with Julie Remp here in…read moreBoulder and had a stellar experience. Julie was incredibly knowledgeable and made sure to make us all feel comfortable with the variety of skills we needed to know to safely dive for the first time. I felt very prepared from the pool sessions she led to be able to do my open water certification and sessions out in Hawaii. I wasn't able to finish out my certification through Ocean First due to time constraints, but the Dive Instructor out in Hawaii was incredibly impressed with my proficiency underwater, stating that if I hadn't been signed up for the course, they would have assumed I was a much more experienced diver. I lend much of that to the great instruction I had here in the pool. I cannot recommend the course enough and certainly suggest everyone who wants to learn to dive to stop by.

We've had a wonderful experience with Denver Divers Swim School. The program is organized,…read morewelcoming, and truly focused on helping kids feel confident and safe in the water. A special thank you to Cheryl, the director, who runs such a thoughtful and well-structured program. You can tell a lot of care goes into how the school is organized and how families are supported. Our swim coach, Megan, has been fantastic. She is patient, encouraging, and wonderful with kids. We especially appreciate how patient she is with our son on days when he's not as excited about swimming or wants to test boundaries. Megan stays calm, consistent, and keeps realistic expectations while gently following through with directions and the skills they're working on. Her steady and encouraging approach has made such a difference. We're so grateful for the positive environment they've created and highly recommend Denver Divers to families looking for quality swim instruction. ‍

My husband and I have always been interested in scuba diving, but we didn't take the plunge (see…read morewhat I did there) until early 2025. We're so grateful we got connected with Denver Divers through their adaptive diving program. Even though I've had an interest in scuba diving, I was really nervous to actually try it. I was able to attend a Try Scuba event at Denver Divers, and was immediately hooked (see what I did again). I was paired with an instructor who explained the basics of diving, had time to try out the diving in the pool, and was able to ask questions afterwards. Once we decided to proceed, we were paired with an instructor, Vince, who put as totally at ease about diving. We were given an online training program, in person classes, and two training sessions. I felt comfortable asking questions and learning from my mistakes. I felt super prepared by the time I was getting certified. We ended up taking a group trip and got open water certified in Honduras. I ended up doing 23 dives and built some new core memories. It was wild to see all the different marine life (including a friendly little shark), to see coral up close, and to explore a shipwreck. On top of all of this, we also have started to build our community of divers. All of the instructors are so passionate about diving and really enjoy teaching others how to safely dive. We are looking forward to staying connected and to more future group dive trips.

A real gem of a dive shop. They always take the time to understand my needs and then go above and…read morebeyond to make sure I get the best knowledge and solution for my next dive gear purchase! The value they offer for divers here in Denver is second to none and I really appreciate such a world class brick and mortar dive shop in my neighborhood! Sales, service, community, they have it all! Go see what I mean!

These kind folks accpted a challenge to service my gear before a trip the following week. The…read morehustled to get it done and snuck it in right before my departure and I'm super grateful. Thanks!

The flip school is one of my daughters favorite places. The trampolines and the activities were…read morefun! The staff is great and the owners/ managers make you feel like family. The flip school is somewhere I will definitely keep bringing my kids too in the future. I highly recommend, if you want a small yet fun event!

I really enjoyed bringing my five year old son here! He loved the trampolines and I will definitely…read morebring my son back!