Sandy Cay & Sandy Spit: The BVI’s Castaway Islands by Boat

The first time a guest asks us to take them to a “deserted island,” we usually ask which one they mean — because in the BVI, deserted islands come in a few different flavors. Sandy Cay and Sandy Spit are the ones that actually deliver on the postcard. No bar, no dock, no music drifting across the water. Just sand, sea grape, and the sound of your own boat idling at anchor while you wade in.

We run this stretch of water constantly on our private charters, usually pairing it with a livelier stop like White Bay so guests get both moods in one trip. If you’re planning a BVI itinerary and keep seeing “Sandy Cay” and “Sandy Spit” mentioned in the same breath, here’s what each one actually is, how they’re different, and how to build a day around them.

Sandy Cay: A Rockefeller-Protected Island You Can Still Walk Around in Twenty Minutes

Sandy Cay sits just off the eastern end of Jost Van Dyke, and it’s small enough to see the whole shoreline from your boat as you approach — roughly 13.5 acres, ringed by a wide, powdery beach with a green interior of dry coastal woodland, a salt pond, and mangrove fringe.

The island has an unusual backstory for a place this quiet. Laurance Rockefeller, son of Standard Oil’s John D. Rockefeller, owned Sandy Cay for about 40 years and treated it as a private conservation project rather than a resort site. His management team planted more than 200 palm trees, started long-term bird and turtle monitoring, and cut a modest trail network through the interior. In 2008 the island passed to the BVI government and is now managed as part of the Virgin Islands National Park system, which is why it’s stayed undeveloped while so much of the region has built up around it.

That protection is doing real work. Sandy Cay is a nesting site for hawksbill, green, and leatherback turtles, and the interior supports laughing gulls, bridled terns, and red-billed tropicbirds, along with native tie palms and cactus species you won’t see on the beachier islands. Per the BVI Tourism Board’s national parks overview, the National Parks Trust oversees Sandy Cay alongside other protected sites like Devil’s Bay and Diamond Cay, and buoys or mooring rules can apply at some of these locations — worth a quick check with your captain before you tie up anywhere in the park system.

The nature trail is the part most guests don’t expect. It’s an easy, mostly flat loop through scrub woodland that pops out at a few viewpoints looking back toward Tortola and Jost Van Dyke. It’s not a hike so much as a fifteen-minute stroll, but it’s a nice way to stretch your legs between snorkel sessions, and the birdlife alone makes it worth the walk if you’ve got binoculars aboard.

Sandy Spit: The Sandbar Everyone’s Actually Seen in a Photo

Sandy Spit is a different animal entirely, and it’s easy to confuse with Sandy Cay because the names are so close. It sits roughly midway between Sandy Cay and Green Cay, and it’s tiny — under half an acre, essentially a ring of bright sand wrapped around a small patch of low foliage. There’s no trail, no interior to speak of, and no shade beyond what you bring with you. It’s the closest thing the BVI has to the cartoon desert island with a single palm tree, which is exactly why it shows up constantly in charter brochures and Instagram feeds.

There are no moorings at Sandy Spit, but the sandy bottom anchors easily, and most charter boats simply idle just offshore while guests swim in. Because it’s so small and so exposed, conditions matter more here than at almost any other stop in the BVI — on a calm day it’s magic, and on a blustery one your captain may swap it for a more sheltered stop nearby. That’s part of why we build flexibility into our full day itineraries rather than locking in a fixed stop list months in advance.

Green Cay: The Quiet Neighbor Worth Knowing About

If your captain mentions Green Cay in the same conversation, that’s the third point of this little triangle — a 14-acre island between Little Jost Van Dyke and Tortola, designated an Important Bird Area for its nesting colony of roseate terns. It’s less of a swim-and-picnic stop and more of a “look at this as we pass” moment, but it’s part of what makes this corner of the BVI feel like a nature reserve that happens to have world-class sandbars in it.

Why the No-Development Rule Matters More Than It Sounds

It’s easy to skim past “protected island” as a throwaway detail, but it changes what your visit actually feels like. Most of the BVI’s popular anchorages have grown a beach bar, a mooring field, and a steady flow of charter boats over the past couple of decades — which is part of the fun, honestly, but it’s a different kind of day. Sandy Cay never got that treatment because Rockefeller’s conservation trust and later the National Parks Trust kept it that way on purpose. There’s no dock to tie up dinghies at, no vendor selling painkillers on the sand, no speaker system. What you get instead is closer to what the whole territory probably looked like a hundred years ago: scrub woodland, turtle tracks in the sand at the right time of year, and birds that don’t scatter the second a boat shows up, because boats showing up isn’t a novelty to them.

That trade-off means Sandy Cay rewards a slower visit. Guests who treat it as a five-minute photo stop tend to leave a little underwhelmed. Guests who actually walk the trail, sit on the beach for twenty minutes, and let their eyes adjust to how quiet it is usually rank it as one of the best stops of the day when we ask afterward.

Timing It Right: Crowds, Light, and Photos

Both islands are small enough that a handful of boats can make them feel busy. Charter traffic out of Tortola and the North Sound tends to build from mid-morning through early afternoon, so an early departure buys you a genuinely empty beach at Sandy Cay and a much better shot at having Sandy Spit’s sandbar to yourselves for photos. Morning light also does the sandbar a favor — the shallow water around Sandy Spit turns an almost unreal turquoise when the sun is low and behind you rather than directly overhead. If a specific photo is the whole point of the stop (we get a lot of proposal and anniversary charters built around exactly this), tell your captain that up front so the day gets sequenced around it rather than squeezed in whenever traffic allows.

Building a Day Around Sandy Cay and Sandy Spit

Neither island has facilities, food, or drinking water, so they work best as one or two stops within a longer charter rather than a standalone destination. Here’s how we typically sequence a day that includes both:

• Morning: Depart early and head straight for Sandy Cay while the light is soft and the anchorage is uncrowded — walk the trail, snorkel the fringing reef, and let guests spread out on the beach.
• Late morning: Short hop to Sandy Spit for a swim and the obligatory photo on the sandbar, timed before the midday charter traffic peaks.
• Midday: Move to Jost Van Dyke for lunch and a livelier scene — see our Jost Van Dyke day trip guide for how we usually structure that leg, including the Soggy Dollar Bar stop.
• Afternoon: One more snorkel stop or a slow cruise back, depending on how the group’s energy is running.

Snorkeling around both islands is respectable rather than spectacular — expect small reef fish, sea fans, and the occasional ray over sand — so if reef quality is your top priority, pair this day with one of the stronger sites from our snorkeling spots guide instead of expecting Sandy Cay alone to be the highlight.

Practical Details

Frequently Asked Questions

Is Sandy Cay the same place as Sandy Spit?
No — they’re separate islands a short boat ride apart. Sandy Cay is the larger one (about 13.5 acres) with a walking trail and protected status as part of the Virgin Islands National Park. Sandy Spit is a tiny, treeless sandbar closer to Green Cay.

Can you camp or stay overnight on Sandy Cay?
No. There’s no infrastructure, no permitted overnight camping, and no facilities of any kind — it’s a day-visit destination only.

Is there anything to eat or drink on either island?
Nothing. Bring everything you need with you; your charter crew typically handles water, ice, and snacks aboard.

How rough can it get around Sandy Spit?
Because it’s so small and low-lying, Sandy Spit is more exposed to wind and chop than sheltered anchorages. Your captain will usually recommend a morning visit or suggest an alternative stop if conditions are marginal.

Do we need a permit to visit Sandy Cay?
Some sites within the BVI National Parks system require mooring permits — check current requirements with the National Parks Trust or ask your captain, since rules can be updated season to season.

Which is better for a proposal or anniversary photo — Sandy Cay or Sandy Spit?
Most couples pick Sandy Spit for the classic sandbar-and-turquoise-water shot, and Sandy Cay if they’d rather have a private stretch of beach with some tree cover and a quieter backdrop. We’ve done both plenty of times and are happy to talk through which fits your vision — see our proposal and honeymoon charter guide for more on how we plan those days.

If you want to see both islands without piecing together the logistics yourself, this is exactly the kind of day our crew builds around your group. Browse the gallery for a look at past trips, or get in touch and we’ll rough out an itinerary before you even step aboard.