A multi-hull vessel lift apparatus, comprising: (a) a pair of lift assemblies (110a, 110b) positioned in parallel, each lift assembly (101a, 101b) comprising: (i) a horizontally-oriented base (110a, 110b) attachable to a multi-hull vessel, the base having a first base portion and a second base portion horizontally separated from the first base portion; (ii) a slide arm (116a, 116b) having a first slide arm end portion, a slide arm body, and a second slide arm end portion, the first slide arm end portion connected for sliding rotation to the first base portion; (iii) a link arm (120a, 120b) having a first link arm end portion, a link arm body, and a second link arm end portion, the first link arm end portion connected for rotation to the second base portion, the link arm body connected for rotation to the slide arm body; and (iv) a horizontally-oriented lifting bar (126a, 126b) having a first lifting bar end portion, a lifting bar body, and a lifting member (138a, 138b), the second link arm end portion connected for rotation to the first lifting bar end portion, the second slide arm end portion connected for sliding rotation to the lifting bar body; and (b) a lifting mechanism configured to actuate at least one lift assembly (101a, 101b), causing each of the lifting members (138a, 138b) to move between a raised position and a lowered position. (a) a pair of lift assemblies (110a, 110b) positioned in parallel, each lift assembly (101a, 101b) comprising: (i) a horizontally-oriented base (110a, 110b) attachable to a multi-hull vessel, the base having a first base portion and a second base portion horizontally separated from the first base portion; (ii) a slide arm (116a, 116b) having a first slide arm end portion, a slide arm body, and a second slide arm end portion, the first slide arm end portion connected for sliding rotation to the first base portion; (iii) a link arm (120a, 120b) having a first link arm end portion, a link arm body, and a second link arm end portion, the first link arm end portion connected for rotation to the second base portion, the link arm body connected for rotation to the slide arm body; and (iv) a horizontally-oriented lifting bar (126a, 126b) having a first lifting bar end portion, a lifting bar body, and a lifting member (138a, 138b), the second link arm end portion connected for rotation to the first lifting bar end portion, the second slide arm end portion connected for sliding rotation to the lifting bar body; and (i) a horizontally-oriented base (110a, 110b) attachable to a multi-hull vessel, the base having a first base portion and a second base portion horizontally separated from the first base portion; (ii) a slide arm (116a, 116b) having a first slide arm end portion, a slide arm body, and a second slide arm end portion, the first slide arm end portion connected for sliding rotation to the first base portion; (iii) a link arm (120a, 120b) having a first link arm end portion, a link arm body, and a second link arm end portion, the first link arm end portion connected for rotation to the second base portion, the link arm body connected for rotation to the slide arm body; and (iv) a horizontally-oriented lifting bar (126a, 126b) having a first lifting bar end portion, a lifting bar body, and a lifting member (138a, 138b), the second link arm end portion connected for rotation to the first lifting bar end portion, the second slide arm end portion connected for sliding rotation to the lifting bar body; and (b) a lifting mechanism configured to actuate at least one lift assembly (101a, 101b), causing each of the lifting members (138a, 138b) to move between a raised position and a lowered position.