Beach fashion

How to Crochet a Glow-in-the-Dark Bikini for Summer Beach Parties

Jun 22, 2026 · by BlingBlingYarn Team · 1 min read
How to Crochet a Glow-in-the-Dark Bikini for Summer Beach Parties

Ready to turn heads at the next beach party or poolside event? A glow-in-the-dark crochet bikini is the perfect summer statement piece — fun, flirty, and impossible to miss once the sun goes down.

Materials You Will Need

  • BlingBlingYarn Glow Polyester Yarn — 2 skeins (color of your choice)
  • Crochet hook: 2.5mm
  • Cotton lining fabric (for comfort and modesty)
  • Yarn needle, scissors, measuring tape
  • Stitch markers

Getting Started: Gauge & Sizing

Gauge: 20 sc × 24 rows = 4 in (10 cm) with 2.5mm hook using glow acrylic yarn.

Sizing: Measure bust and underbust. This pattern adjusts easily — increase or decrease starting chain in multiples of 2.

Gauge swatch measurement for glow-in-the-dark crochet bikini pattern showing 20 single crochet stitches across 4 inches using BlingBlingYarn glow polyester yarn

Pattern Instructions

Triangle Cups (make 2)

Row 1: Ch 20 (adjust for size), sc in 2nd ch from hook and across. Turn. (19 sc)
Row 2-3: Ch 1, sc across. Turn.
Row 4: Ch 1, sc2tog, sc across to last 2 sts, sc2tog. Turn. (Decrease row)
Row 5-12: Repeat Row 4 every row until 5 sts remain.
Row 13: Ch 1, sc2tog, sc, sc2tog. Turn. (3 sts)
Row 14: Ch 1, sc3tog. Fasten off.

Straps & Ties

Ch 80 for each tie (neck ties + back ties). Sc in 2nd ch from hook and across. Fasten off. Attach to cup tops and sides.

Bottom (Optional)

Use your favorite crochet bikini bottom pattern and substitute glow yarn for the main color.

Assembly Tips

  • Sew in a cotton lining to each cup for comfort and coverage
  • Weave in all ends securely — glow yarn is durable but ends should be hidden well
  • Try on as you go to ensure fit

Care Instructions

  • Rinse in cold water after saltwater or chlorine exposure
  • Hand wash with mild soap
  • Air dry flat away from direct heat
  • Charge in sunlight 15-30 min before wearing at night for maximum glowGlow-in-the-dark crochet bikini care instructions including hand washing and air drying flat away from direct heat for BlingBlingYarn glow polyester yarn

Related Products

Shop our Glow Yarn collection and explore the Radiant Glow Swimsuit for a complete luminous beach look.

Finished glow-in-the-dark crochet bikini on the beach at night showing bright luminous glow effect made with BlingBlingYarn glow polyester yarn

 

Frequently Asked Questions

Can glow yarn be worn in water?

Yes, polyester glow yarn is water-resistant but rinse after salt/chlorine.

What hook size for glow bikini?

2.5mm hook for glow acrylic yarn.

How to care for glow swimwear?

Hand wash, air dry away from direct heat.

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