The ornamental design for a laminatecountertop for an island, as shown and described.
FIG. 1 is a perspective view of a laminate countertop for an island showing my new design;
FIG. 2 is top plan view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is an exploded perspective view thereof;
FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 1;
FIG. 8 is a cross sectional view taken along line 8-8 in FIG. 1; and,
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 1.
The evenly-spaced dashed lines show environmental structure and portions of the laminate countertop for an island that form no part of the claimed design. The short-dash, long-dash lines represent the boundaries of the claim and form no part thereof.