| 2018 Multihull Cup Entries | Yacht Name | Length | Designer | Builder |
 | Allegra | 84′ | Nigel Irens | Green Marine |
 | Coco de Mer | 66′ | Morelli & Melvin | Gunboat |
 | Dragon | 66′ | Banulsdesign | McConaghy |
 | R-Six | 67′ | Morelli & Melvin | Hudson Hakes Marine |
 | Slim | 68′ | Morelli & Melvin | Jaz Marine & Gunboat |
