Bali Semi-waveless 8-inch King-size Water Mattress

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ITEM# 12130570

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ITEM#: 12130570

This eight-inch, semi-waveless, queen-size, water mattress from Bali provides comfort and helps to alleviate many common health issues. Designed for reduced water motion, this mattress allows for easier entry and exit to prevent strain.

  • Medical benefits of water mattress include even weight distribution and reduced back pain
  • Semi-waveless waterbed offers minimum of 50-percent motion reduction
  • Waterbed has removable top cover for easy cleaning
  • Queen waterbed also helps with improved circulation, arthritis and swollen joint relief
  • Removable mattress cover is made with rayon from bamboo
  • Rayon from bamboo is softer than Egyptian cotton, stronger than synthetics, naturally anti-microbial, 100-percent temperature-regulating, drier, and odorless
  • Cover filled with 1-ounce fire resistant fiber
  • Vinyl moisture barrier
  • Foam rails wrapped with fabric extend mattress life
  • Features 7-inch deep fill
  • Dimensions: 8 inches high x 60 inches wide x 80 inches long
  • Model number OS-BALI8W-1LAY-Q
Bedding (comforter, sheets, pillows, etc.) are NOT included.

Assembly required. This product ships in two boxes.
Once opened this product is non-returnable.

Manufacturer recommends purchase of water bed heater for temperature control. Uses standard king size sheets

Click here to view more sizes.


Mattress Type Medical, Water Mattress
Thickness 8 Inch
Memory Foam Type Foam
Mattress Top Specialty
Mattress Support Plush
Product Features Antimicrobial, Fire Resistant
Recommended Foundation Type Platform
Size King
Dimensions See Details
Model Number OS-BALI8W-1LAY-K
Country of Origin United States

Customer Reviews

5 Stars
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1 Stars
  • Most Helpful

  • Better than expected
    Verified Purchase

    This bed is fantastic and an incredible value. I was hesitant to buy it sight unseen because the price was so low compared with other similar beds I had priced locally, but this bed is better than I anticipated. Also, being able to use regular king-size sheets adds to the value and having only a few inches of water make it perfect for upstairs bedrooms. The step-by-step instructions make the setup quick and simple - just make sure you follow the instructions, even though they may be counter-intuitive.

    Read More
  • Misleading description "semi-waveless"
    Verified Purchase

    ATTENTION - I'm not a complainer, in fact this is my first review. DO NOT BUY this unless you like the old 1960's full wave motion. The description says semi-waveless, but that is just not true. The darn thing never stops, it even moves from your breathing. For one person you may like it, but for two it never stops moving, I mean like waves back and forth. I called the United States Watermattress Co., the maker of the bed, and they said this was a low end mattress (the softside bed itself is fine). They are nice folks and I ordered the 90% 6 layer semi-waveless mattress, but it cost me another $360, so you can see your gonna get what you pay for. Just wanted to warn folks about this. Spend a little more $ and research the firmness before buying. We were totally unhappy with this purchase.

    Read More
  • Most Recent

  • good decision!
    Verified Purchase

    This is great! as we both have back problems we explored other mattress options as our $2900 mattress was making matters worse. 3 days of sleeping on this and I don't wake up in pain

    Read More
  • Best Sleep Ever
    Verified Purchase

    Experts say the least amount of material between you and the water is the best. While this mattress still has one layer of baffle to control the waves, it provides perfect support. It was easy to construct, directions are clear and the result was terrific.

    Read More
  • Product great, delivery slow
    Verified Purchase

    The item did not ship for about two weeks after ordering, even though there was no notification of item being back ordered. Then because it was bulky, it took even longer for the delivery.

    Read More
  • great mattress
    Verified Purchase

    this is a great buy. I have had other mattresses but came back to waterbed because of my hips hurting. Now there is no more pain.

    Read More
  • waterbed
    Verified Purchase

    we were very happy with the waterbed. We've looked at several and this was the best value for the $. others were doubledwhat we paid and this was shipped quickly, with in a week it arrived and all boxed and crated so it arrived w/o any scratches.

    Read More

Questions & Answers

  • Q:

    "is the heater included? and does a fill kit come with it"

    • A:

      The mattress does not include a heater. It does include a fill kit.

  • Q:

    "referring to my previous question, is that the filled weight? thank you"

    • A:

      Hello bupak, we appreciate your inquiry. That weight was the approximate weight of the bed (unfilled) without the water. We hope this information has been helpful. Thank you for shopping with us!

  • Q:

    "I have a platform bed with a low-profile foundation that sits on the platform slats. can I use this mattress with my current bed, or will it be too heavy when it's filled?"

    • A:

      Hello bupak, this mattress weighs approximately 50 pounds. We recommend checking the weight limit of your bed to see if this mattress will suit your needs. Thank you for shopping with us!

  • Q:

    "Can you use this mattress on regular king size box springs/foundation?"

    • A:

      Yes, you can use this with a box spring.

  • Q:

    "Is this available in California king size?"

    • A:

      No, it does not come in that size.

  • Q:

    "is the bladder one or two pieces? also, what heater would you recommend?"

    • A:

      It is just one piece. The heater is a low-wattage waterbed heater.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information

Leaves our warehouse in 1-5 business days. * *

1-4 week delivery after the item ships:**

Delivered by freight carrier. See Oversized Item Delivery Policy.

Mattress Return Policy:

Mattress Sets are non-returnable upon signature at delivery. Mattresses are non-returnable if opened or taken out of their plastic wrapping.
More Details


This item cannot be shipped to Alaska or Hawaii. More details

Oversized Item Delivery Policy:

This item will be shipped via freight carrier to your home, excluding rural routes, remote areas not in close proximity to areas commonly serviced by freight carriers, islands, APO/FPO addresses, P.O. Boxes, Alaska and Hawaii. Please provide your daytime and evening phone numbers during check out so our carrier can contact you to schedule delivery. Refer to our Oversized Item Delivery Policy for additional information.
More details

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.