Island Mattress

How to order an Island Mattress in 5 simple steps

  1.  Choose cm’s  mm’s or inches.
  2. Enter Your sizes in the boxes provided.
  3.  Choose foam grade from drop down menu.
  4.  Add a Cover as required.
  5. Review your order and add to cart.

Please check the lead time for all options chosen.

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Measurements

Measurements

Reference Image

Choose your Foam Grade

BUDGET MATTRESS FOAM (V28)

This lightweight foam is best suited for occasional-use only,  We wouldn’t recommend it for everyday use or situations where long-term support is essential. Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Properties
Comfort Level : Not Specified ,
Density: MEDIUM/LOW
Recommendations: Occasional use only !

STANDARD FIRM MATTRESS FOAM RX33/190

This medium-density, firm mattress foam  Ideal for mattresses around 3–4 inches thick, offering reliable support and durability. Just a heads-up—it may feel a bit too firm for those who prefer a softer sleeping surface. Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Grade
RX33/190
Notional Hardness
190 N
Density
33 kg / m3
Properties
Comfort Level : FIRM
Density: MEDIUM

STANDARD MEDIUM FIRM MATTRESS FOAM RX36/125

Medium-density foam ideal for mattresses 4″ and above. It provides balanced support and comfort, making it a great choice for those seeking a medium-firm sleeping surface. Keep in mind—thicker mattresses offer more support than thinner ones, regardless of foam grade.

Grade
RX36/125
Notional Hardness
125 N
Room Temp. Hardness
125 N
Density
36 kg / m3
Properties
Comfort level: MEDIUM FIRM for mattresses above 4" (`10cm ) in thickness
Density: MEDIUM

ORTHOPAEDIC HIGH DENSITY MATTRESS FOAM RX39/200

Most popular High density firm foam mattresses. Best choice for cushions 3–4 inches thick. May be too firm for cushions above 5” in thickness.  Keep in mind—thicker mattresses offer more support than thinner ones, regardless of foam grade.

Grade
RX39/200
Notional Hardness
200 N
Density
39 kg / m3
Properties
Comfort level ; FIRM
Density; HIGH

COMFORT MEDIUM FIRM HIGH DENSITY MATTRESS FOAM RX41/150

High density, medium firm foam Reflex 40h is a high-quality foam known for lasting comfort and support. It bounces back quickly and keeps its shape for years—perfect for mattress. Keep in mind—thicker mattresses offer more support than thinner ones, regardless of foam grade.

Grade
RX41/150
Notional Hardness
150 N
Density
40 kg / m3
Properties
Comfort level : MEDIUM FIRM for mattress over 4"(10cm ) in thickness
Density: HIGH

STANDARD MEMORY FOAM MATTRESS TOPPER VASCO 50

Incorporating Vasco memory foam into your bedding solutions offers enhanced comfort and support, catering to various applications from home to travel.

Properties
Comfort Level: SOFT
Density : HIGH

COOLING REVO MEMORY FOAM MATTRESS TOPPER

This advanced memory foam is designed to provide exceptional comfort and support while keeping you cool throughout the night. Infused with cooling gel technology, it helps regulate temperature, preventing heat buildup and ensuring a restful sleep. Ideal for those who prefer a plush, breathable sleeping surface with enhanced pressure relief.

Properties
Comfort Level : SOFT
Density : HIGH

ORTHO MEMORY FOAM MATTRESS COMBO RX39/200 BASE WITH 1" (2.5CM) MEMORY

Firm V38 base foam bonded to 1″ of Vasco 50 memory foam softens the feel, of the mattress, making what would typically be a firm mattress more comfortable.  Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Properties
Comfort level : FIRM
Density; HIGH
Minimum Mattress Thickness : Must be over 2" (5cm ) or only memory foam element will be supplied

ORTHO PLUS MEMORY FOAM MATTRESS COMBO RX39/200 BLUE BASE TOPPED WITH 2" (5CM) MEMORY

Firm V38 base foam bonded to 2″ of Vasco 50 memory foam softens the feel, of the mattress, making what would typically be a firm mattress more comfortable.  Keep in mind—thicker, higher-volume mattresses naturally offer more support than thinner ones, regardless of the foam grade.

Properties
Comfort Level; FIRM/MEDIUM
Density; HIGH
Minimum Mattress Thickness : Must be over 2" (5cm ) or only memory foam element will be supplied

COMFORT MEMORY FOAM MATTRESS COMBO RX41/150 BASE TOPPED WITH 1" (2.5CM ) MEMORY

Comfort memory foam mattress combo featuring a supportive Reflex 40 grey base topped with 1″ (2.5cm) of plush memory foam for added pressure relief and comfort.

Grade
RELEX 40 /150
Notional Hardness
150 N
Density
40 kg / m3
Properties
Comfort Level : MEADIUM FIRM
Density: HIGH
Minimum Mattress Thickness : Must be over 1" (2.5cm ) or only memory foam element will be supplied

COMFORT PLUS MEMORY FOAM MATTRESS COMBO RX41/150 BASE TOPPED WITH 2" (5CM ) MEMORY

Comfort Plus Mattress Combo features a supportive Reflex 40 grey foam base topped with 2″ (5cm) of pressure-relieving memory foam.Offers the perfect balance of firm support and plush comfort for a restful night’s sleep.  Ideal for everyday use, guest beds, or custom spaces like campervans and caravans.

Grade
REFLEX 40/150
Notional Hardness
150 N
Density
40 kg / m3
Properties
Comfort Level: MEDIUM FIRM
Density: HIGH
Minimum Mattress Thickness : Must be over 2" (5cm ) or only memory foam element will be supplied

ULTRA FIRM MATTRESS FOAM RG50/230

High density firm foam RG50 is a high-density, firm foam ideal for heavy-duty support. It’s commonly used in seat cushions, gym mats, and other applications where durability and strong support are key. This is the perfect foam for thin Pop-top or Roof-Tent mattresses.

Grade
RG50/230
Notional Hardness
230 N
Density
50 kg / m3
  • FIXED PRICE COVERS
    OPTIONS
    MEMORY FOAM PILLOW
    CUSTOM COVERS & UPHOLSTERY
    Contact us for Pricing

Your Created Product

Measurements

Choose your Foam Grade

FROM £7.00

Description

Custom Island Mattress

Perfect Fit Comfort for Caravans, Motorhomes, Boats & Campervans

Ordering your custom Island Mattress is straightforward and stress-free. Simply enter your required dimensions, choose your preferred foam or memory foam option, and we’ll precision-cut a mattress that fits your layout like a glove. Whether it’s for a centre-positioned bed in a caravan, motorhome, or boat cabin, we’ll make sure it delivers both comfort and a perfect fit.


Advanced Comfort Meets Cutting-Edge Fabric Innovation

We don’t just shape foam—we build better sleep experiences. Every Island Mattress come with the option of a  removable, zip-off washable cover, making cleaning simple and helping you maintain long-term freshness on the road or water.

Choose from three high-performance cover options:

Cooltech™ Quilted Covers

  • Breathable and ultra-soft to the touch

  • Quilted for extra comfort and temperature control

  • Enhances airflow for a cooler night’s sleep

    Cooltech mattress
    Cooltech covers provide exceptional levels of cooling, Helping to wick away moisture resulting in a more restful nights sleep

TENCEL™ Botanical Fibre Covers

  • Made from sustainable, plant-based materials

  • Naturally breathable and gentle on skin

  • Favoured by premium bedding brands for its eco credentials and comfort

    Mattress with Tencel Cover
    Tencel natural fibre promote a cooling more comfortable nights sleep

Everyday-Ready: Easy Clean Technology

Whether you’re on the road, moored up, or parked at the coast—real life can get messy. That’s why we offer Easy Clean fabric, built to handle life’s inevitable spills, smudges, and splashes. From sandy feet to accidental drink spills, it wipes clean with minimal effort and keeps your mattress looking brand new.

Perfect For:

  • Busy family adventures

  • Pet-friendly setups

  • Travellers who value low-maintenance comfort

With Easy Clean, your mattress works as hard as your lifestyle demands.

Easy Clean Mattress Fabrics
Breathable Easy Clean for Added Protection

Complete the Setup with the Ultimate Pillow

Say Hello to Your New Favourite Pillow

Pair your Island Mattress with our Shredded Memory Foam Pillow, wrapped in a breathable TENCEL™ cover for sustainable comfort that stays cool all night.

Unlike traditional foam blocks, this pillow features a zipped, adjustable fill system that lets you fine-tune your loft and support to your liking—soft and relaxed or firm and full.

Pillow Perks:

✔ Cooling, breathable TENCEL™ cover
✔ Hypoallergenic and eco-conscious
✔ Adjustable shredded memory foam interior
✔ Removable, machine-washable cover

One pillow. Endless comfort.
Tailored sleep, every single night.

Tencel Pillow
Our Cooling Tencel Pillows are fully adjustable and can be adapted your individual comfort requirements

Why Choose Foam 4 U?

With over three generations of hands-on experience in foam and upholstery, we’re trusted by vanlifers, boat owners, and leisure travellers across the UK. From tricky layouts to luxury comfort builds, we combine expert guidance with top-quality materials to get it right—every time.


Need Advice? We’re Here to Help.

Not sure what foam grade you need? Confused about measuring your space? We’ve got you. Contact our team anytime and get honest, expert support from people who actually know foam.

 

Our sister website www.thefoamshop.co.uk