Beaches in Mossel Bay

Eight o’clock at Santos Beach. The bay lies still, because the wind here comes from behind, over the town, and never reaches the sand. On the lawn behind the beach somebody is putting up an umbrella. In the harbour next door a fishing boat chugs out. The water is shallow. Children run a long way in before it reaches their hips. Mossel Bay has beaches for three different kinds of day: the windy one at Santos, the wave day at the Point and the long walk at Diaz Beach. And because the Indian Ocean runs into this bay, the water is warmer than at the beaches around Cape Town.

Water

15.8 to 21.6 degreesmonthly means, July to January

Blue Flag

4 beachesDe Bakke, Hartenbos, Little Brak, Glentana, season 2025/26

Lifeguards

1 December to 31 Januarydaily 9am to 6pm on Blue Flag beaches

Patrolled beaches

23from Vleesbaai to Glentana, season 2023/24

Tidal pool

The Pointwalled, below the lighthouse

Santos Beach: the town beach out of the wind

Santos lies right next to the harbour, five minutes on foot from the Dias Museum. The beach faces north into the bay, and that changes everything. The southeaster that sweeps the Cape for days at a time in summer arrives here over the headland of Cape St Blaize and leaves the water alone. The waves are small. If there is one beach on the Garden Route where children can stand in the sea without surf, this is it.

Behind the sand there is lawn with trees, the pavilion, parking and toilets. The boats to Seal Island sometimes anchor for a quarter of an hour off the beach before running back into the harbour. In the 2024/25 season Santos held full Blue Flag status; for 2025/26 WESSA lists it as a pilot beach (November 2025). For you that changes little. Lifeguards are there from 1 December to at least mid January, and the water stays what it is: calm.

The Point: tidal pool and surf break

Ten minutes further, around the headland, lies the Point. Here the coast is rock, not a sandy cove. The surf hits the shelves below the Cape St Blaize lighthouse, and between the rocks somebody built a pool. At high tide the sea washes over it and swaps the water. At low tide you have a swimming pool of seawater that no wave gets into, children at the shallow end, adults doing lengths, the Point Hotel right behind and the restaurants a few steps away.

Outside the pool break the waves that made Mossel Bay known among surfers. The Point is the town’s surf break, and the pool is where you watch from. In a big swell the spray reaches the rim of the pool. That is no place for small children. On a calm sea it is the safest swimming spot for miles: no current, no sand in your costume, and sea urchins in the cracks, so bring water shoes.

De Bakke and Diaz Beach: more open to the north

North of Santos comes De Bakke, the beach below the caravan park and the holiday flats on the slope. Blue Flag for the 2025/26 season (November 2025), lifeguards from 1 December to 31 January. The flag stands for tested water quality, toilets, bins and supervision. De Bakke is still inside the bay but already more open than Santos: a little more wave, a little more wind, a lot more room.

Then comes Diaz Beach. A long, open stretch with apartment blocks and the Diaz Hotel behind it, curving towards Hartenbos. Here the sea has its strength back. The waves run out long, beginners practise in the white water, and if you want to walk you go north at low tide on firm sand until the houses stop. Swim, yes, but between the flags. Diaz is not a children’s beach; it is the beach for the long walk and for sunrise over the bay.

Hartenbos and the beaches towards George

Hartenbos, a little north along the bay, is the family beach. The holiday resort of the ATKV, an Afrikaans cultural association, has stood here since 1936, and over the December holidays the town fills with visitors from inland. The beach is wide, and the lagoon of the Hartenbos River behind it is calm enough for toddlers. Blue Flag 2025/26, lifeguards until the end of January. If you come with children and want a programme, Hartenbos suits you better than town. If you want quiet, come in March.

Towards George the smaller places line up. Little Brak River: Blue Flag at the river mouth. Great Brak River with its island in the river and the long beach in front. Glentana, where the sand lies below high dunes, also Blue Flag for 2025/26. And Herolds Bay in a narrow cove between rocks, with its own tidal pool and the golf course up on the slope. Suiderkruis and Tweekuilen, the season’s other two pilot beaches, sit on the same coast between Hartenbos and Glentana.

Dana Bay: rock coves to the west

West of town, past Cape St Blaize, the coast changes. The St Blaize Trail runs from the lighthouse along the cliffs to Dana Bay, and on the way you look down into coves that carry no name on any map: red rock, a strip of sand, turquoise water. Dana Bay itself has no promenade and no kiosk. Just residential streets that end in staircases, with small rock coves below them. On a calm sea you can swim there, nothing is patrolled, and in winter people stand on the cliffs and scan the bay for whales.

Further west again, past Pinnacle Point, lie Boggomsbaai and Vleesbaai. Small holiday settlements whose beaches form part of the Oystercatcher Trail. The municipality’s chain of lifeguards reaches as far as Vleesbaai in season; further west no beach is patrolled.

When the water is warm

The sea off Mossel Bay is the Indian Ocean. You notice at the first step. In January the monthly mean sits at 21.6 degrees, in February at 21.5, in March still at 20.4 (August 2026). Then it falls: 17.1 degrees in May, 15.8 in July, the coldest month, and from October it climbs back above 17. These are model figures, not a thermometer on the jetty. Individual days differ. Swimming without your teeth chattering works from December to April, and in a good year into May. Surfers in wetsuits are in the water all year.

The wind plays its part. In summer it blows from the east and southeast, sometimes for three or four days at a stretch. Then the spray runs sideways at Diaz Beach while Santos, in its corner of the bay, barely notices. Ahead of a cold front the berg wind brings hot dry air down from the mountains in the northwest. Those are the days when the sand is too hot for bare feet at midday and the sea is the only relief.

Swimming safely

Lifeguards sit on the Blue Flag beaches from 1 December to 31 January, on the other swimming beaches from 1 December to mid January, daily from 9am to 6pm (August 2026). In the 2023/24 season that meant 36 lifeguards on 23 beaches from Vleesbaai to Glentana. Outside those weeks nobody is there. Then you stay in the pool at the Point or in the shallows at Santos Beach.

The danger that counts here is the rip current, a channel of water pulling away from the beach. Rips form at open beaches such as Diaz or Glentana, above all on a falling tide and at spring tide around full and new moon. You spot one as a lane without breaking waves, often with foam moving out. If you are caught, do not swim against it; swim sideways, parallel to the beach, until you have waves under you again. The sea rescue service NSRI is on 087 094 9774.

And the sharks? Off Seal Island, ten minutes by boat from the harbour, lives a seal colony, and great whites hunted around that island for decades. That is where the cage diving boats go. Since 2021 and 2022 sightings have dropped sharply, ever since orcas started working the area. Shark incidents with swimmers are rare in Mossel Bay, there is no solid statistic, and there are no shark nets. The rule stays the same as along the whole Cape coast: not in murky water, not at dusk, not alone far out, not next to seals or bait fish. None of which concerns the tidal pool at the Point.

The bigger risk is the sun. From October to March the UV index in the Western Cape regularly reaches 11 to 13, which the scale calls extreme. The wind off the sea keeps you from feeling the heat. Factor 50, reapply every two hours, look for shade between 10am and 4pm, and put the children in a UV shirt.

CarefulLook at the flags before you swim. Two red and yellow flags mark the patrolled area, and you swim between them. A single red flag means stay out of the water today. No flag means nobody is watching, so use the tidal pool or the shallows at Santos Beach.

Which beach for whom

• With small children: Santos Beach, and all the more so on windy days. On a calm sea, the tidal pool at the Point. Hartenbos with its lagoon if you want a resort and a programme.
• For swimming: De Bakke or Hartenbos between the flags, December to January. In winter, the pool at the Point.
• For surfing: the Point in a swell, Diaz Beach for your first go in the white water. More under things to do.
• For walking: Diaz Beach heading north at low tide, or the St Blaize Trail along the cliffs to Dana Bay.
• For quiet: Dana Bay, Boggomsbaai, Vleesbaai. And any beach in March, once the holidays are over.
• For watching: the rim of the pool at the Point in a big swell, when the surfers are out and the spray comes across.

From mid December to mid January there are 50,000 to 60,000 holidaymakers a night in Mossel Bay (August 2026). Then Santos is full, Hartenbos fuller, and Dana Bay still empty. If you want a beach without people, come in February or March: same water, half the prices, open sand.