You can bring your own or rent kayaks, canoes, SUPs, or jetskis in most marinas or even do a tour.
Since living in Vegas, Emerald Cove has been on our bucket list, and we finally got to go with Evolution Expeditions. We loved our guide, who made sure the group stayed together, gave us insight into the landscape and history of the area, and she even helped us take tons of photos and videos.
The cave itself gets busy! Even when we went on the off-season, we had to wait to get in. During the summers, waits can be over an hour.
If you own a kayak, canoe, or SUP, there are plenty launching points to go on your own. We need to bring our inflatable SUP to Willow Beach next summer. Another excellent launch point from Lake Mead is Canoe/Kayak Beach in Hemenway Harbor.