Blue Cobblestone Beach in St. John US Virgin Islands

Blue Cobblestone Beach Snorkeling Guide [Rated + Reviewed]

by Nichole | Last updated Jul 25, 2025 | St. John, Best Snorkeling Caribbean

As experienced snorkelers who have explored some of the most remote and beautiful underwater destinations from Rangiroa to the Maldives, my husband and I are always on the lookout for great snorkeling opportunities, even after a good hike.

After completing one of St. John’s most scenic trails, the Ram Head hike, and working up quite a sweat, we couldn’t resist cooling off with a quick snorkel at Blue Cobblestone Beach on the way back.

In this post, I’ll share how we got there, where we snorkeled, and what we spotted beneath the surface based on our own experience.

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Table of Contents

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St. John Snorkeling Rating System

My husband and I are always looking for the next incredible place to snorkel. We rate every spot we try (including Blue Cobblestone), from the not-so-good to the absolutely amazing.

Please see my personal rating key below.

OVERALL SNORKEL RATING KEY

🤿 🤿 🤿 🤿 🤿 = World-class snorkeling and worth traveling just for the snorkeling alone!

🤿 🤿 🤿 🤿 = Incredible snorkeling and should be on your list of top things to do!

🤿 🤿 🤿 = Decent snorkeling and worth the effort!

🤿 🤿 = Worth consideration if you are running out of things to do!

🤿 = Not worth it!

St. John is a snorkeler’s paradise.

Discover my 11 favorite places to dive in, all packed into one detailed guide.

Snorkeling map of top St. John USVI Snorkeling Sites

Blue Cobblestone Beach Snorkeling

Blue Cobblestone Beach

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Rating: 🤿

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How to Get There

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This beach was part of our hike to Ram Head. Park in the Salt Pond Bay beach parking lot.

After you hike the dirt path to Salt Pond Bay Beach (which is a great snorkeling site!), walk all the way to the far left of Salt Pond Bay Beach and follow the trail along the shoreline.

The trail eventually cuts inland over a few hills before it dumps you onto Blue Cobblestone Beach.

Ram Head hiking trail will lead to Blue Cobblestone Beach

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Snorkeling Map

Map of where to snorkel at the Blue Cobblestone beach

We snorkeled along the rocks on the right side of the beach as you faced the water.

Although we did not do it, you could technically swim all the way back to Salt Pond Bay Beach.

That is a long swim though, and the current can be strong.

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Entry

Entry is not easy. There are a lot of rocks to navigate over and sea urchins to avoid.

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St. John Fish Sightings

We saw patches of coral here and there with sporadic fish sightings like blue tang.

Blue tang at Blue Cobblestone in St. John USVI

Final Thoughts

We absolutely loved the Ram Head hike.

The snorkeling at Blue Cobblestone Beach was a bit of a letdown, but that cool dip was exactly what we needed after working up such a sweat.

I’m Nichole, the author of all the blog posts on Enriching Pursuits. Think of me as your geeky discerning travel friend who dives deep (Google Page 20, forums, travel groups deep!) to uncover the best ways to enjoy exceptional outdoor adventures and foodie experiences.

My husband and I are experienced snorkelers, day hikers, and casual cyclists who also love delicious street food, an incredible glass of wine, and the occasional Michelin-starred meal.

Balancing full-time careers, we cherish every second of our vacation days and love sharing tips to help you do the same. If this sounds like your kind of travel, subscribe below or drop me a note with any questions. I’d love to hear from you!