Haven't been there myself, but I had a possibility of a trip last year, so I 
did some research.  This article mentions several good places near Cape 
Town.

http://www.britishshellclub.org/pages/articles/artsa/artsa.htm

-----Original Message----- 
From: steve rosenthal
Sent: Saturday, April 08, 2017 10:05 AM
To: [log in to unmask]
Subject: Re: [CONCH-L] Shelling tips near Cape Town, South Africa

"not too far"  is about 425 miles.

On 4/8/17, Spherman28 <[log in to unmask]> 
wrote:
> We found good shells in Jeffrey's Bay, not too far from Cape Town.
>
> Sent from my iPad
>
>> On Apr 8, 2017, at 5:15 AM, Alex Sassi <[log in to unmask]> wrote:
>>
>> Hi,
>>
>> Anyone have tips for where to go beachcombing for shells (including
>> micros) or intertidal collecting in / near Cape Town, South Africa?
>> Especially where Trivia sp. may be found in beach drift. Other
>> shell-related points of interest?
>>
>> I will be there in a few weeks and have a few days to myself to explore
>> the beaches near Cape Town.  Feel free to contact me offline.
>>
>> thanks!
>> Greetings from a rainy Berkeley, CA!
>> Alex Sassi
>>
>> p.s. I do have a copy of the British Shell Club article "The Beaches of
>> South Africa"
>>
>> ----------------------------------------------------------------------
>> [log in to unmask] - a forum for informal discussions on molluscs
>> To leave this list, click on the following web link:
>> http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
>> Type your email address and name in the appropriate box and
>> click leave the list.
>> ----------------------------------------------------------------------
>
> ----------------------------------------------------------------------
> [log in to unmask] - a forum for informal discussions on molluscs
> To leave this list, click on the following web link:
> http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
> Type your email address and name in the appropriate box and
> click leave the list.
> ----------------------------------------------------------------------
>

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
---------------------------------------------------------------------- 

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------