It seems to me that there are a lot of interesting things to take photos of in the area of the port - not even counting the cruise ships. I confess that I have not taken the chance to do this in the way I have done at other ports. But I do have some photos of the harbor to pique your interest.
The first place we went on the Island Splendor tour from the ship was an 18th century plantation type house situated above Castries. St Mark’s was built in 1887 on the foundation of an old lodge called ‘Diamond Jubilee Lodge’ and rebuilt again in 1942. Views from outside offer a panoramic view of the city, where inside the antique furniture, some pieces dating back to 1890, help tell the history of the family. We had a guide from the house to show us through, and they had the groups choreographed so that they could be showing three or four groups through the house at once since there were several cruise ships in port and this place is apparently on several different ship excursions. I don't know whether you can visit if you are not on a ship tour as I have been unable to find any information about going to this house that was not on a cruise ship site.
The living room has colorful carpets and striped furniture, family photos and a piano. There were portraits of the wealthy merchant owner of St. Marks and his wife who lived in St. Marks until the mid 20th century. The dining room had a large table with crystal swans as a centerpiece, and cabinets filled with crystal and china. A colorful painting of a St. Lucian Parrot called a "Jacquot" was painted by C. Cox in 1909
They had refreshments and souvenirs for sale on the porches. There are bathrooms here if you need one. If you go on your own, be prepared for the steep driveway.
As hotels go the Auberge Seraphine must be up there in the stratosphere of uniqueness. It is a town hotel but separated from it in its own cove with the added advantage of hosting birds on its front trees. These white-feathered creatures must love what the hotel charges them since there are there for the long haul. One tree “houses” the singles and another - the reproductive colony. One can see the whole cycle of development from eggs to teenagers in one go. The noise is constant but not oppressive and the action exhilarating. The young birds are rather demanding and their parents stay their “ground” with difficulties. Inevitably, there are victims ending up dead on the shore for causes unclear at the time.
A driving tour is a must to see some of what Castries, as well as St. Lucia has to offer. I booked my excursion from the ships so I couldn't tell you how much the taxis and stuff on land are. From the port everything is in good walking distance. Along the way you'll see improptu jam sessions in the streets and locals selling their wares for the tourists.
Many cruise ship passengers can see the harbor from the deck of their ship - all they have to do is go out on deck and take notice