When I bought my first piece of dive gear three years ago, I had no idea what I was doing. I bought everything at once, spent way too much money, and ended up with stuff I barely used. This first scuba gear purchase checklist is here to help you avoid those mistakes. I'm sharing the order I wish I'd followed, broken down by priority and timing, so you can build a gear collection that actually makes sense for how you dive. Whether you're still using rental gear or ready to invest in your first reg, this guide walks you through what to buy, when to buy it, and why the sequence matters more than you'd think.

Personal Gear You Should Buy Immediately (Before Dive 10)

These are the items I tell every new diver to get right away. They're inexpensive, make every dive more comfortable, and honestly, using rental versions of these feels gross once you've had your own.

Mask that actually fits your face. A leaking mask ruins dives faster than anything else, and rental masks never quite seal right. I wasted my first 15 dives constantly clearing water because I thought mask leaking was just normal. Get one that fits—(/article/how-to-c…