Guests highlight the exhilarating experience of driving their own speedboats while exploring the stunning San Diego harbor. Many reviews praise the knowledgeable and friendly guides, such as David and Alex, who provide engaging commentary and ensure safety throughout the adventure. While some participants encountered minor equipment issues or felt unsafe due to other boats, the overall consensus is that this activity is a thrilling and memorable way to see the city from a unique perspective, making it highly recommended for families and first-time boaters alike.