When you think of island escapes, you might picture the Seychelles or Zanzibar, but South Africa has its island getaways—no passport required.
From penguin-filled marine reserves and kayaking spots in turquoise lagoons to wild river islands where elephants roam, these local gems offer a surprising mix of seclusion, scenery and soft adventure. Here’s where to cast off (without going far).
Thesen Island – Western Cape
Picture/Cornelius M Muller
Tucked into Knysna’s lagoon, Thesen Island is a former timber-processing hub turned upmarket marina village. Wooden walkways, quiet canals and pastel cottages give it a holiday-town charm, while boutique stores and seafood restaurants make it a draw for visitors year-round. Kayaking the canals is a highlight, especially around sunset, and it’s a great base to explore the Knysna estuary or nearby Featherbed Nature Reserve. Stay at the Turbine Boutique Hotel, a quirky conversion of an old power station right on the water.
Sundays River Mouth – Eastern Cape
Picture/EC Tours
Near the mouth of the Sundays River in Colchester, this sandy island is only reachable by paddle or ferry, and offers a peaceful spot for picnics, paddling and birding. It’s a family favourite thanks to the calm shallows, abundant birdlife and proximity to the Alexandria Dune Field. Pack a cooler box and hop on a ferry with Sundaze Adventures to spend the day braaiing, swimming or sandboarding with views of Addo Elephant National Park in the distance.
St Croix Island – Eastern Cape
Picture/Nelson Mandela Bay Tourism
Located in Algoa Bay, St Croix is one of the most important seabird nesting islands in the country, home to thousands of African penguins. You can’t land on the island itself, but boat trips from Gqeberha with Raggy Charters get you close enough to see the penguins bustling along the rocky shoreline, often joined by dolphins, Cape gannets and even the occasional whale. It’s a must-do for nature lovers and a powerful reminder of South Africa’s rich marine biodiversity.
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Langebaan Lagoon Islets – Western Cape
Picture/Peter Chadwick
Scattered within the protected waters of the West Coast National Park, these tidal islets and granite outcrops make for a dreamy day on the water. Rent a kayak or SUP and glide past flamingos, picnic on secluded sandy shores, or simply drift with the tides. While they’re not classic islands, these sandy specks offer a gentle wilderness experience with sweeping views of the lagoon. The best time to go is spring, when the wildflowers are out and birdlife is abundant. Base yourself at Geelbek Stables for access to trails and water activities.
Flamingo Pan Islands – Northern Cape
Picture/SA Venues
Just outside Kimberley lies Kamfers Dam, a seasonal wetland that comes alive with pink during the rainy months. When the pan fills, it creates shallow “islands” where lesser flamingos gather by the thousands to nest and feed. Although access is restricted to protect the birds, you can view this spectacle from a bird hide on the dam’s edge or book a responsible guided viewing. It’s a short drive from the city centre but feels like another world—quiet, vast and dazzling in colour after a good rain.
Vaal River – Free State/North West
Picture/Where To Stay/© Etienne Labuschagne
The Vaal River is dotted with small islands and riverbank retreats, many accessible by canoe or boat from Parys or Sasolburg. These islands are popular for overnight camping, picnic stops, or simply drifting past on a tube. The section near Parys falls within the Vredefort Dome World Heritage Site, offering a mix of geology, water activities and quiet river moments. Stay at Stonehenge in Africa or look for river lodges that offer boat transfers to private island decks.
Shark Island – Lüderitz (Namibia)
Picture/Namibian Wildlife Resorts
Though just across the border in Namibia, Shark Island is a frequent stop for South African road trippers exploring the Lüderitz coast. This rocky peninsula-turned-island during high tides has a layered history and stark coastal beauty. Once a colonial prison site, it now hosts a campsite with eerie views over the icy Atlantic. It’s not for everyone, but if you like remote, windswept drama and stargazing far from city lights, it’s worth the detour.
Kosi Bay Estuarine Islands
Picture/South Africa Nature Reserves
Near the Mozambican border, Kosi Bay is a tangle of four interconnected lakes, channels, and islands that form part of the iSimangaliso Wetland Park. Dotted with reed-infringed islets and traditional fish traps, it’s a place where rural life and natural wonder blend seamlessly. Canoe excursions and boat trips offer up-close views of these islands, which are rich in birdlife and history. For a more immersive experience, stay at Kosi Forest Lodge and take guided walks or boat rides into this watery paradise.
Lake St Lucia Estuarine Islands – KwaZulu-Natal
Picture/South Africa Online/©Roger de la Harpe
South Africa’s largest estuarine system hosts several shifting islands of mangrove, reeds and bush that provide habitat for crocodiles, hippos and myriad birds. Boat tours from St Lucia village wind through these channels, giving you a glimpse of wildlife thriving on water-locked land. Though most of the islands are off-limits to visitors to preserve the ecosystem, it’s an evocative and memorable way to experience island life, African-style.
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