Silhouette Island Escape: Serenity and Seclusion in the Seychelles’ Third Largest Island

Silhouette Island is the third-largest granitic island in the Seychelles, lying 20 kilometres northwest of Mahé. Its 20.1 square kilometres of steep, forested terrain rise to Mont Dauban at 751 metres — the island’s highest point — and drop directly to the coast with almost no flat ground. That topography kept large-scale development off the island, preserving a primary forest interior that much of the rest of the archipelago lost to agriculture generations ago.

Fewer than 200 permanent residents live here, nearly all in the east-coast settlement of La Passe. There are no cars, no public roads, no nightlife — only footpaths, candlelit evenings, and the sound of the Indian Ocean breaking on reef. This article covers what you can actually do on a visit, how to get here, and the practical realities of an island that has deliberately chosen isolation over convenience.

Silhouette’s activities are deliberately low-impact. The island’s protected status means every trail, beach, and reef visit comes with a responsibility to leave nothing behind. What follows is a breakdown of each experience, grounded in what the research actually supports — no embellishment, no padding.

Hiking Silhouette’s Interior

Mont Dauban, the island’s central peak at 751 metres, is the most direct way to experience the wild interior. The trail climbs through dense rainforest with endemic hardwoods, palms, and the critically endangered white-flowered Impatiens gordonii, which grows only on Mahé and Silhouette. The summit offers views across the inner islands, with the granite profile of North Island visible to the northwest and Praslin roughly 40 kilometres east. Guides from the island’s conservation staff accompany hikes on request, and for routes beyond the immediate La Passe surroundings, a guided trek is standard — sections of trail are unmarked and the terrain is steep.

The Anse Mondon trail runs from La Passe across the island to the former village site on the north coast. It takes roughly two to three hours each way depending on your pace, passing through primary forest with endemic palms, hardwoods, and pitcher plants. The trail crosses freshwater streams and climbs over large roots before emerging at Anse Mondon beach — an isolated bay with no road access and rarely more than a handful of visitors. Shorter paths climb from La Passe to viewpoints above the settlement, offering a quicker way to get above the treeline without committing to a full crossing.

Underwater: Snorkeling and Diving in the Marine Park

The waters surrounding Silhouette have been a Marine National Park since 1987, with fishing and anchoring on coral prohibited within roughly one mile of shore. That protection has kept the reefs in good condition relative to more heavily visited parts of the Seychelles. Snorkelers can reach nearshore reefs directly from the beach at La Passe or Anse Mondon, while boat trips access outer sites where the coral drops off into deeper water.

Marine life includes hawksbill and green turtles, rays, reef sharks, and a wide variety of tropical fish. The best underwater visibility comes during the inter-monsoon months of April–May and October–November, when the sea is calmest. During the southeast trade winds (May–September) the water is clearer but choppier on the windward side; leeward areas remain manageable. The northwest monsoon (November–March) brings flatter seas and short rain showers, with visibility peaking outside rainy days.

Independent snorkelling with a mask and snorkel works well at Anse Mondon and the beach at La Passe. The water is calm, the reef starts close to shore, and you don’t need a boat to see turtles and colourful reef fish. If you want to explore further, boat trips from La Passe can drop you at outer reef sites along the marine park boundary. For those who prefer a guided experience, snorkelling excursions are available through the resort or private charter operators. Heading into Baie Ternay Marine National Park, a 30-minute boat ride from Silhouette, offers another option with vibrant coral reefs — best visited during the dry season for visibility.

Beaches and Quiet Corners

The most accessible beach adjoins La Passe itself, with calm water protected by the nearshore reef. It’s a practical spot for a quick swim or to cool off after a morning hike, but it isn’t the island’s standout stretch of sand. That distinction belongs to Anse Lascars and Anse Mondon.

Anse Lascars sits south of the settlement, a sheltered cove where local boats land and fishermen go about their day. The water is calm for swimming, and the beach is rarely busy. It also holds archaeological interest: graves dating to around 1800 mark the earliest settlement period on the island, once attributed to Arab traders. Anse Mondon, on the north coast, is the reward at the end of the cross-island hike — an isolated bay with no road access, clear water for snorkelling off the headlands, and a quiet that feels a world away from even the rest of Silhouette.

Traces of the Past: History on Silhouette

The island’s recorded history begins with the crew of an English East India Company vessel, who were the first documented visitors in 1609. France claimed the island in 1771 and named it after Étienne de Silhouette, the French finance minister under Louis XV. Permanent settlement came in the early 19th century, and in the 1860s the Dauban family established plantations producing timber, fruit, spices, and oils.

Beyond the plantation era, Silhouette has a more romantic history. The island served as a base and lookout for Jean Hodoul, a famous French privateer active in the late 18th century. Local legends claim that Hodoul’s stolen golden treasure remains hidden in a network of caves carved into the steep cliffs. Whether you believe the stories or not, the knowledge that you’re walking the same roadless wilds as an 18th-century corsair adds a layer of intrigue to any hike.

Getting to Silhouette and Making It Work

There are three ways to reach the island, and your choice determines how much time you’ll have once you’re there.

Ferry from Bel Ombre — The scheduled ferry departs from Bel Ombre terminal on the northwest coast of Mahé and takes roughly 45 minutes to reach La Passe. It’s the most straightforward option, but departures are limited and tied to resort operations, which means fixed arrival and return windows. Day visitors need to work within that timetable. The crossing passes the northwest Mahé coastline and the open channel between the islands.

Helicopter transfer — A 15-minute flight from Mahé’s helipads lands at Silhouette’s helipad near the resort. It offers aerial views of the granite profile and the surrounding reef, but baggage weight limits apply — dive gear and extended luggage may be an issue. Weather in the channel can also cause delays.

Private yacht charter — Departing from Eden Island Marina or Victoria Harbour on Mahé, a captained yacht reaches Silhouette in roughly an hour. This option removes the timetable constraint entirely: you set the departure time, can stop for swimming and snorkelling en route, and can stay until after sunset if the weather allows. Charter operators such as CharterClick offer captained motor yachts and catamarans for day trips and overnight itineraries that can include Silhouette as part of a longer inner-island route.

When to Visit

Seychelles has a tropical climate year-round, but conditions on Silhouette vary enough to affect your plans. The dry season from May to October brings cooler air, lower humidity, and clearer skies — better conditions for hiking the steep trails, which can become slippery and muddy in the wet season. The southeast trade winds during this period make the sea choppier on the windward side, but leeward areas stay calm enough for snorkelling.

The inter-monsoon months of April–May and October–November offer the calmest seas and best underwater visibility, making them the ideal window for snorkelling and diving. The northwest monsoon from November to March brings flatter water and short rain showers; underwater visibility peaks outside rainy days, and this is also the period when hawksbill turtles come ashore to nest on the quieter beaches, concentrated from October to February.

Shoulder months — May and October — balance good weather, fewer visitors, and slightly lower prices. Peak dry-season months of July and August draw more people, though “busy” on Silhouette still means only a handful of other hikers on the trail rather than crowds.

What to Pack

Sturdy hiking shoes with good grip are non-negotiable for any trail beyond the La Passe beachfront. The granite can be slippery when wet, and the trails cross streams and climb over roots. Insect repellent is essential for forest excursions — the dense rainforest holds mosquitoes throughout the day. High-SPF sunscreen, a wide-brimmed hat, and sunglasses are necessary even on overcast days; the equatorial sun is strong enough to burn through cloud cover.

Carry a reusable water bottle and refill it at your accommodation before heading out. There are no shops, cafes, or water sources along any of the hiking routes. The same applies to snacks — bring what you need for the duration of your walk. The island operates a strict no-trace policy: all rubbish, including food wrappers and empty bottles, must be carried back to La Passe for proper disposal.

Before You Go — Silhouette Island

How do I get from Mahé to Silhouette without a resort booking?

You have two options: the scheduled ferry from Bel Ombre (roughly 45 minutes, fixed daily departures) or a private yacht charter from Eden Island Marina or Victoria Harbour (roughly one hour, flexible timing). The ferry is cheaper but ties you to its timetable. For a day trip, a private yacht gives you control over your arrival and return windows.

Is Silhouette worth it for a single day from Mahé?

Yes — the 45-minute to one-hour crossing puts the island within comfortable day-trip range. You’ll have enough time for one guided hike (Grand Barbe or the Anse Mondon crossing) plus a swim and lunch at La Passe beach. You won’t cover everything, but you’ll get a genuine sense of the island’s raw character without needing an overnight stay.

What’s the biggest practical challenge on Silhouette?

The absence of infrastructure beyond La Passe. No shops, no restaurants outside the resort, no water fountains on trails, and no transport. Every item you need for a hike or a beach visit — water, food, sunscreen, first aid — must be carried from your accommodation. Misjudging your water supply is the most common mistake day visitors make.

Can I visit Silhouette independently without staying at the resort?

Yes. Day visitors arrive by ferry or private yacht, explore the trails and beaches, and return to Mahé the same day. The hiking trails and beaches are open to everyone. The only thing you can’t access without a resort booking is the resort’s own facilities — pools, restaurants, dive centre (though the dive centre may accept external bookings; confirm before you go).

Silence and Scale

Silhouette Island doesn’t try to impress you with luxury or convenience. Its appeal is the opposite: a place that has deliberately stayed small, roadless, and quiet. The same steep terrain that kept plantations and hotels from covering the interior is what preserved the primary forest and the reefs. You walk the same trails as conservation staff and the occasional hiker, not tour buses. For anyone who has experienced the busy shores of Mahé and wondered what the Seychelles looked like before the resorts arrived, Silhouette offers a direct answer — and it’s only 45 minutes away. If the idea of a completely car-free island with genuine wilderness access appeals to you, Frégate Island offers a similar seclusion with a different character.

References

Les Deux Pieds Dehors. “Silhouette Island Seychelles.” 2026. ↗

Nomad Lawyer. “Seychelles Tourism — Mahé, Silhouette Island & Conservation 2026.” 2026. ↗

CharterClick. “Silhouette Island Seychelles.” ↗

Must See Spots. “Silhouette Island: A Pristine Nature Reserve Experience.” ↗

For more on the Seychelles’ marine environment, read our guide to Seychelles diving and underwater treasures. If you’re interested in low-impact travel across the islands, our piece on sustainable ecotourism adventures in the Seychelles covers the broader conservation context. For practical advice on getting around Mahé and the inner islands, see the Seychelles travel guide from Mahé locals.