I am just back home from a 15 day MSC Seashore cruise out of Miami (Oct. 29 to Nov. 13). Having had a great solo experience on the Meraviglia three years ago, I had no worries about this one. I asked for a dinner table sharing with other solo passengers. However, I dined alone, except for two nights when a lively British lady joined me. She found 5:15 too early however, so chose a later time. When I asked the Maître D for dinner company it seemed to be impossible. My table was fully booked, but the others never came. Single get togethers were at the same time, 5:00 p.m.
I did go to the hosted singles cocktail party, very nice, the second week, and was surprised to see about 70 people there. The MSC hostess, in a short speech said that MSC was working to expand solo cruising. It really does make a difference to meet others onboard. At lunch time I always asked to share a table but only rarely did that work out. Other solos said they had the same experience. Fortunately I had two fantastic Balinese waiters at dinner time, so that helped.
Also, even though my cruise contract said I had a Deluxe Balcony Cabin, it had a solid white panel outside that I had to stand to see over, and about 30 feet of bow extending beneath it instead of ocean. All of the passengers I met who were given similar balcony cabins in that area were solo travellers. All attempts to change cabins were refused.
It is a beautiful ship but it has many problems.