Vashti Eoff is a certified rescue diver and manta ray guide based in Hawaii, with over 25 years of experience working in and around the ocean. Her deep knowledge of marine ecosystems and calm, confident presence in the water make her a trusted guide for those seeking unforgettable encounters with Hawaii’s majestic manta rays.
Vashti’s passion for the ocean runs as deep as the waters she explores. Whether leading nighttime snorkels or sharing insights about marine conservation, she creates meaningful, respectful experiences that connect guests to the natural world. Her long-standing commitment to ocean safety and education continues to inspire both new divers and seasoned ocean lovers alike.
Meet Vashti
Swim Guide
Free Downloads

Manta Ray Facts & Figures Ebook
Amaze your friends and family members with your knowledge of the gentle giants.
→ GRAB YOUR COPY

Guide to Swimming with Manta Rays
All the things you need to know before you embark on this adventure of a lifetime.
→ GET IT NOW

10 Tips for Marine Photography
Learn to capture life-changing moments underwater.
→ I NEED THIS
