Costco Costco is a large US shopping warehouse at Lakeside shopping centre of which KIC is a group Individual members of KIC are able to join Costco for a reduced annual fee of £23.50. This enables members to shop during morning trade hours as well as other times open to the public. Activities: Babysitters List | Badminton | Book Group | Bridge Group | Car Pooling | Cinema Club | Costco | Country Walks | Garden Visits | Golf | Ladies Night Out | Ladies to London | Luncheon Group | Mah-jong | Mums and Tots | Nannies and Au Pairs | New Members Coffee Mornings | Opera Group | Sewing and Handicraft  | Tennis | Theatre