02 - Gloss Black - Neutral Grey
Maui Jim SUGAR BEACH MJ421 Sunglasses
$138.20

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Maui Jim SUGAR BEACH MJ421 Sunglasses

02 - Gloss Black - Neutral Grey

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$138.20

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DESCRIPTION RATINGS & REVIEWS PRESCRIPTION GUIDE

The Maui Jim Sugar Beach MJ421 Sunglasses deliver the clean lines of a modified aviator in an ultra-lightweight rimless design. Named after the pristine white sands of Sugar Beach in Maui, these unisex sunglasses combine minimalist style with the serious optical performance Maui Jim is known for—PolarizedPlus2 lens technology, full UV protection, and color enhancement that brings the world into sharper focus.

PolarizedPlus2 Technology: More Than Just Polarization

Every pair of Sugar Beach sunglasses features Maui Jim's patented PolarizedPlus2 lens technology, which goes well beyond standard polarization. The lenses eliminate 99.9% of glare while blocking 100% of harmful UV rays and high-energy visible (HEV) blue light. A proprietary blend of three rare earth elements is infused into each lens to enhance red, green, and blue wavelengths, boosting color saturation and contrast without distorting your view. The result is vivid, true-to-life color and exceptional clarity.

Available in multiple lens options including Neutral Grey for bright conditions, HCL Bronze for everyday versatility, and Maui HT for lower light, the Sugar Beach adapts to your needs. The polycarbonate lenses are impact-resistant, scratch-resistant (with CLEARSHELL coating), and treated with oleophobic and hydrophobic coatings that repel water, oil, and smudges for easy cleaning.

Rimless Design, Maximum Comfort

The Sugar Beach's rimless construction uses high-grade injected nylon temples that are both flexible and incredibly durable. At just 62mm lens width with a 12mm bridge and 127mm temples, the frame offers a medium fit that works across face shapes. Weighing only 13 grams, these sunglasses deliver all-day comfort without pressure points. Adjustable rubber nose pads with advanced airflow technology provide a secure, slip-free fit, and the frames are treated for saltwater use—ideal for beach and marine environments.

Prescription-Ready Performance

The Maui Jim Sugar Beach is available with prescription lenses through authorized optical retailers, offering both single vision and progressive options while maintaining the same PolarizedPlus2 performance.

The Sugar Beach suits active lifestyles—from cycling and golf to beach days and everyday driving. Its modified aviator shape is slightly rounder than traditional aviators, offering excellent coverage without the bulk. If you want a rimless sunglass that performs as well as it looks, the Sugar Beach delivers.

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Customer Reviews

Based on 4 reviews
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m
mustapha sami
Good transaction!

Good!

D
D Rising
All Around Great!

Great sunglasses, Great price, Great delivery!

B
Bart Frintz
Love my glasses

I ordered them and they showed sooner than expected. Exactly what I ordered. Love them

R
Ronald Helo
Maui Jim Sugar Beach

The absolute best sunglasses I have ever owned!

Frequently Asked Questions

Are Maui Jim Sugar Beach sunglasses prescription-compatible?

Yes, the Maui Jim Sugar Beach MJ421 can be fitted with prescription lenses in both single vision and progressive options. Since prescription lenses are considered a medical device, they must be dispensed through an authorized Maui Jim optical retailer or eye care professional. The frames maintain full PolarizedPlus2 technology when fitted with prescription lenses.

What is PolarizedPlus2 lens technology in the Sugar Beach?

PolarizedPlus2 is Maui Jim's patented lens technology that eliminates 99.9% of glare and blocks 100% of UV rays. The lenses are infused with a blend of three rare earth elements that enhance red, green, and blue wavelengths, boosting color saturation and contrast for vivid, true-to-life vision. They also block high-energy visible (HEV) blue light and feature anti-reflective, scratch-resistant, and oleophobic coatings.

How much do Maui Jim Sugar Beach sunglasses weigh?

The Sugar Beach MJ421 is extremely lightweight due to its rimless design and high-grade injected nylon temples. Customers consistently describe them as so light "you forget you're wearing them" and note they don't leave nose pad marks even after extended wear. The rimless construction and polycarbonate lenses (one-third the weight of glass) contribute to the feather-light feel.

What are the measurements of the Sugar Beach MJ421?

The Maui Jim Sugar Beach has a lens width of 62mm (or 63mm in some variants), a bridge width of 12-13mm, and temple length of 127-137mm depending on the specific model variant. This provides a medium fit suitable for most face shapes. The modified aviator shape offers generous coverage while remaining lightweight and comfortable.

Are the Sugar Beach sunglasses suitable for water sports and saltwater use?

Yes, the Maui Jim Sugar Beach features saltwater-safe lens and frame treatments, making them ideal for beach, boating, and marine activities. The non-slip rubber nose pads with advanced airflow technology ensure a secure fit during active use, and the oleophobic/hydrophobic coatings repel water and are easy to clean. The PolarizedPlus2 lenses excel at cutting glare from water surfaces.

How does the Sugar Beach compare to traditional aviator sunglasses?

The Sugar Beach is a modified aviator with a slightly rounder lens shape than classic aviators like the Ray-Ban. The rimless design makes it significantly lighter and more minimalist than traditional metal-framed aviators. Customers note the Sugar Beach offers superior lightweight comfort and Maui Jim's advanced PolarizedPlus2 color enhancement, while maintaining the versatile aviator silhouette that complements most face shapes.

Compare With Similar Frames

How the Maui Jim SUGAR BEACH MJ421 Sunglasses stacks up against the closest alternatives we carry.

Read the full comparison

Maui Jim Sugar Beach vs. Baby Beach vs. Mavericks: Which Aviator Is Right for You?

Maui Jim offers several aviator styles, each with distinct advantages. The Sugar Beach MJ421 stands out as the most lightweight and affordable option thanks to its rimless design, making it ideal for customers who prioritize comfort and a modern, minimalist aesthetic.

Sugar Beach vs. Baby Beach

The Maui Jim Baby Beach MJ245 is Maui Jim's best-selling aviator, featuring a shallower lens depth that works particularly well for people with high cheekbones. While both models offer the same PolarizedPlus2 lens technology and UV protection, the Baby Beach has a full-rim construction that feels more substantial but weighs more. The Sugar Beach's rimless design is noticeably lighter—customers often say they forget they're wearing them. The Baby Beach retails for $260.77–$293.23, nearly double the Sugar Beach's price, making the Sugar Beach the better value for budget-conscious buyers who want premium Maui Jim optics.

Sugar Beach vs. Mavericks

The Maui Jim Mavericks MJ264 delivers the classic full-rim metal aviator look with large teardrop-shaped lenses that are universally flattering. If you want the traditional aviator aesthetic—think Top Gun—the Mavericks is your choice. However, the full metal construction makes them heavier than the Sugar Beach, and they're priced higher at $235.60–$291.54. The Sugar Beach offers a more contemporary, streamlined look that pairs well with both casual and active lifestyles, while the Mavericks lean into heritage aviator style.

Why Choose the Sugar Beach?

The Sugar Beach is the lightest, most affordable Maui Jim aviator, making it perfect for all-day wear, active sports, and beach environments. Its rimless design provides an unobstructed field of view and a sleek, modern look. If you want maximum comfort, saltwater-safe construction, and Maui Jim's legendary color enhancement at the best price point, the Sugar Beach is the clear winner.

At a Glance

Maui Jim Baby Beach MJ245 Sunglasses

Pros:

  • Shallower lens depth ideal for high cheekbones
  • Best-selling Maui Jim aviator style
  • Full-rim construction may feel more substantial

Cons:

  • Heavier than the rimless Sugar Beach
  • Less minimalist aesthetic
  • Higher price point ($260.77–$293.23 vs $149.48–$153.08)

Maui Jim Mavericks MJ264 Sunglasses

Pros:

  • Classic large teardrop aviator shape
  • Full metal frame for traditional aviator aesthetic
  • Universally flattering lens shape

Cons:

  • Heavier due to full metal construction
  • Higher price ($235.60–$291.54)
  • Less modern/minimalist than rimless Sugar Beach

Maui Jim Hot Sands MJ426 Sunglasses

Pros:

  • Similar rimless lightweight construction
  • Comparable price point ($168.50–$176.15)
  • Same PolarizedPlus2 technology

Cons:

  • Different frame shape (not aviator)
  • Slightly higher price than Sugar Beach
  • May not suit customers specifically seeking aviator styling

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