Search  for anything...

Toy Vault Cthulhu Monster Aquarium Cave Hideaway Fish Tank Decor, H.P. Lovecraft Themed

  • Based on 0 reviews
Condition: New
Checking for the best price...
$44.64 Why this price?
Save $5.35 was $49.99

Buy Now, Pay Later


As low as $11 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Apr 23
Order within 5 hours and 11 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • Better than a coral reef: Try a Cthulhu-inspired haunted cavernous mountain
  • Charming aquarium decor with Cthulhu statue featuring twisted tentacles and deep-set eyes
  • Crevice-Lovers: Perfect for little cave-loving freshwater and saltwater fish or reptiles
  • Geek Gift: Would also make an ideal garden decoration or shelf decor piece
  • Size: Dimensions: 9 inches tall by 11 x 7.75 inches base; Material: Resin

Color: Gray/Green Cthulhu


Brand: Toy Vault


Theme: Horror


Material: Resin


Style: Classic


Color: Gray/Green Cthulhu


Theme: Horror


Style: Classic


character: Cthulhu


Finish Types: Polished


Collection Name: All


Seasons: All Seasons


Occasion: Christmas


Item Dimensions D x W x H: 9"D x 7.75"W x 9"H


Item Weight: 3.4 Pounds


Size: 9 inches tall by 11 x 7.75 inches base


Item Depth: 9 inches


Recommended Uses For Product: Home, Outdoor


Mounting Type: Tabletop


Brand Name: Toy Vault


UPC: 651174923635


Number of Items: 1


Model Number: SH_2643


Manufacturer Part Number: SH_2643


Unit Count: 1.0 Count


Manufacturer: Toy Vault


Material Type: Resin


Product Care Instructions: Hand Wash


Additional Features: H.P. Lovecraft Themed, Intricately Detailed, Unconventional Material (Resin)


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Apr 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • It's a good size.
Looks very cool in our 55 gallon tank and all the fish take turns occuping it. We even had one of our pearl gourami's hide in there and that's a fairly large fish. The tank below is 20 gallons fyi and it would fit in that one too.
Reviewed in the United States on March 17, 2026 by Belinda

  • Perfect
A lot bigger . Good quality
Reviewed in the United States on April 9, 2026 by Felicia G

  • Dnd theme tank
Looks great in my 14 gallon cube tank, rinsed it before placing it and had no issues. Arrived with no damage which was great. Color pops with my glo fish tank and additional blue light.
Reviewed in the United States on March 30, 2026 by Kindle Customer

  • RINSE ITEM BEFORE INSTALL - Great item overall
Great looking piece! Packaging was done well, (Box with Styrofoam surrounding it and that was then in an shipping box). Piece is as described, there are a few skulls hidden in the rocks as well. Interior of the piece is open/hallow, it does have a flat bottom to it. 4 stars because there was green fuzzy material on the rocks, (glad I read the reviews prior) that when I rinsed the item it came off without any scrubbing. PLEASE MAKE SURE YOU RINSE/SOAK BEFORE PUTTING IN YOUR TANK!! (I noticed after rinsing and drying it there was a green tint left where the green fuzzy stuff was maybe this is the desired effect, if so would be great information for the buyer to have in advance.) Would be a great addition to this piece to have a hole for an air line in the back so you can add a bubbler to the inside might increase the Functionality of the piece as well. (My Husband was able to add a hole to the back of it for the air line.) Overall it is a great piece for our tank. Value for Money was right on! ... show more
Reviewed in the United States on March 8, 2025 by Chris

  • Just buy it! Larger than you might think!
I was on the fence with this purchase for awhile. It has been added and removed from my cart multiple times. I've had so many bad experiences with online ordering of aquarium decorations I was nervous! This is exactly as described, fairly large, well made, and the paint is very impressive. It looks great in my 55 gallon freshwater tank! As other reviews mentioned, the green "moss" did come off in fine hairs a bit, but a simple wash before installation fixed that immediately! (You should be washing things like this before use anyways!) ... show more
Reviewed in the United States on March 9, 2026 by Jake Jacobsen

  • Excellent quality.
Some sharp edges that needed to be sanded down before use. But the fish love it and it looks great. We hallowed out the floor for easier cleaning due to the sand terrain. The skulls on the mountains were a nice detail. Heavy, and built well. It took longer than expected to remove the floor. The green is a nice contrast to our Siamese Algae Eaters (4" long) who love the cave. The Rubber Lip Pleco (3") enjoys hanging on Cthulhu. I've only seen our Green Phantom Pleco (6") in it once. The Siamese seemed to dominate it. ... show more
Reviewed in the United States on June 24, 2025 by Savvy

  • Worse product for tanks
Very poor quality paint ruined my tank and killed my piranhas paint peels off and ruins water quality I took water to professional aquatic shop and harmful chemicals in the paint killed my stock of fish I’m very upset with this product do not purchase this!!!!!! I would give -5 stars I feel this company owes me a lot my 5 fish are dead thanks ... show more
Reviewed in the United States on March 7, 2026 by Michael

  • Paint chips after awhile
Looks great, but the paint has started chipping off.
Reviewed in the United States on September 23, 2025 by Little Old Dog Sanctuary

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...