The level of experience required to crochet this pattern is easy to intermediate, I have included lots of colorful photos with instructions for an in depth tutorial. All photos were taken by me whilst crocheting the bikini.

The crochet stitches are quite common in this pattern:
Half Double Crochet (US)
Double Crochet (US)
Single Crochet (US)
I have also used a Picot Stitch around the border of which I have illustrated in full color photos.
All stitches used are explained in the Crochet Conversion Chart.

This pattern is written in US Standard Terms, however I have included an in depth conversion chart for UK/Australian terms which is easy and clear to use and follow.

I have also included instructions on how to add lining to your bikini, however the stitches are very close, so lining is not a requirement.

Instructions are for size EXTRA SMALL, SMALL, MEDIUM and LARGE

MATERIALS

US Category 3-(light weight)/8ply cotton/cotton blend
US E4 Crochet Hook/3.50mm
Optional beads for end of ties.