Name
Province and location
Area in Ha
Coordinates
Description
Bird Island Group (3)
Eastern Cape near Port Elizabeth
now part of the Addo Elephant National Park
1. Bird Island
Eastern Cape near Port Elizabeth
19 hectares (47 acres)
33°50′S 26°17′E / 33.833°S 26.283°E / -33.833; 26.283
now part of the Addo Elephant National Park
2. Stag Island
Eastern Cape near Port Elizabeth
0.1 hectares (0.25 acres)
33°49′S 26°16′E / 33.817°S 26.267°E / -33.817; 26.267
now part of the Addo Elephant National Park
3. Seal Island
Eastern Cape near Port Elizabeth
0.6 hectares (1.5 acres)
33°50′S 26°16′E / 33.833°S 26.267°E / -33.833; 26.267
now part of the Addo Elephant National Park
Bird Island, Lamberts Bay
Western Cape at Lamberts Bay
8 hectares (20 acres)
32°5′21″S 18°18′4″E / 32.08917°S 18.30111°E / -32.08917; 18.30111
Breakwater walkway to main land
Dassen Island
Western Cape South of Saldanha Bay west of Yzerfontein
273 hectares (670 acres)
33°25′S 18°5′E / 33.417°S 18.083°E / -33.417; 18.083
Duiker Island
Western Cape near Hout Bay
0.4 hectares (0.99 acres)
34°3′S 18°19′E / 34.050°S 18.317°E / -34.050; 18.317
Dyer Island (Ilha da Fera = Island of wild creatures)
Western Cape near Gans Bay
30 hectares (74 acres)
34°40′S 19°25′E / 34.667°S 19.417°E / -34.667; 19.417
Hartbeespoort Dam Islands
North West
1 hectare (2.5 acres)
25°45′S 27°53′E / 25.750°S 27.883°E / -25.750; 27.883
Kamfers Dam Artificial Island
Northern Cape North of Kimberley
0.3 hectares (0.74 acres)
28°40′S 24°45′E / 28.667°S 24.750°E / -28.667; 24.750
located in the Kamfers Dam .
Kosi Bay Islands
KwaZulu-Natal in Kosi Bay
18 hectares (44 acres)
26°54′S 32°51′E / 26.900°S 32.850°E / -26.900; 32.850
Leisure Island
Western Cape , Knysna
49 hectares (120 acres)
34°3′S 23°3′E / 34.050°S 23.050°E / -34.050; 23.050
Thesens Island
Western Cape , Knysna
70 hectares (170 acres)
34°2′S 23°3′E / 34.033°S 23.050°E / -34.033; 23.050
Marion Island
Western Cape More than 1750 km southeast of Port Elizabeth
29,000 hectares (72,000 acres)
46°52′S 37°43′E / 46.867°S 37.717°E / -46.867; 37.717
Msikaba Island
Eastern Cape north of Port Grosvenor
31°19′S 29°58′E / 31.317°S 29.967°E / -31.317; 29.967
Prince Edward Island
Western Cape More than 1750 km southeast of Port Elizabeth
4,500 hectares (11,000 acres)
46°37′S 37°55′E / 46.617°S 37.917°E / -46.617; 37.917
Robben Island
Western Cape near Cape Town in Table Bay
507 hectares (1,250 acres)
33°48′S 18°22′E / 33.800°S 18.367°E / -33.800; 18.367
The island where Nelson Mandela and others were imprisoned
Saint Croix Island Group (3)
Eastern Cape near Port Elizabeth
now part of the Addo Elephant National Park
1. Saint Croix Island
Eastern Cape near Port Elizabeth
12 hectares (30 acres)
33°47′S 25°46′E / 33.783°S 25.767°E / -33.783; 25.767
now part of the Addo Elephant National Park
2. Brenton Island
Eastern Cape near Port Elizabeth
5 hectares (12 acres)
33°49′S 25°45′E / 33.817°S 25.750°E / -33.817; 25.750
now part of the Addo Elephant National Park
3. Jahleel Island
Eastern Cape near Port Elizabeth
5 hectares (12 acres)
33°48′S 25°42′E / 33.800°S 25.700°E / -33.800; 25.700
now part of the Addo Elephant National Park
Saint Lucia Lake Island
KwaZulu-Natal near St Lucia on Lake St. Lucia
197 hectares (490 acres)
27°57′S 32°29′E / 27.950°S 32.483°E / -27.950; 32.483
Seal Island
near Simon's Town in False Bay
4 hectares (9.9 acres)
34°8′S 18°34′E / 34.133°S 18.567°E / -34.133; 18.567
Occupied by Cape fur seals .
Seal Island (Mossel Bay)
near Mossel Bay
34°9′S 22°7′E / 34.150°S 22.117°E / -34.150; 22.117
Vaal Dam Island
Just inside the Gauteng border
110 hectares (270 acres)
26°52′S 28°10′E / 26.867°S 28.167°E / -26.867; 28.167
Vaaldegrace Island Group - Vaal River (3)
Free State at Parys
110 hectares (270 acres)
1. Vaaldegrace Island 1
Free State at Parys
26°55′S 27°25′E / 26.917°S 27.417°E / -26.917; 27.417
2. Vaaldegrace Island 2
Free State at Parys
26°53′S 27°28′E / 26.883°S 27.467°E / -26.883; 27.467
3. Vaaldegrace Island 3
Free State at Parys
26°53′S 27°26′E / 26.883°S 27.433°E / -26.883; 27.433
Vondeling Island
Western Cape near Saldanha Bay
10 hectares (25 acres)
33°9′S 17°59′E / 33.150°S 17.983°E / -33.150; 17.983