Best Hermit Crab Substrates 2026: According to Reviews | Chewy

Best Substrate For Hermit Crabs

How we created this hermit crab substrate list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best hermit crab substrate.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best hermit crab substrates.

Key hermit crab substrate considerations

Ease of Cleaning

Moisture Retention

Odor Control

Substrate Material

Our Top Picks

1
Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count
Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count
Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count
Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count
Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count
Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count

Zoo Med Eco Earth Compressed Coconut Fiber Expandable Reptile Substrate, 3 count

Rated 4.7 out of 5 stars
551
$10.98 Chewy Price
($3.66/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.4/5
Great

Moisture Retention

4.4/5
Great

Odor Control

4.4/5
Great

Substrate Material

4.4/5
Great

Is this hermit crab substrate right for my pet?

Litter & Bedding Type

Coconut Fiber
2
CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag
CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag

CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag

Rated 4.9 out of 5 stars
83
$21.33 Chewy Price
($1.07/lb)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.7/5
Excellent

Moisture Retention

4.8/5
Excellent

Odor Control

4.6/5
Excellent

Substrate Material

4.8/5
Excellent

Is this hermit crab substrate right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater
3
Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag
Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag
Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag
Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag
Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag
Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag

Zoo Med Forest Floor Natural Cypress Mulch Reptile Bedding, 24-qt bag

Rated 4.8 out of 5 stars
449
$32.98 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.6/5
Excellent

Moisture Retention

4.5/5
Great

Odor Control

4.4/5
Great

Substrate Material

4.3/5
Great

Is this hermit crab substrate right for my pet?

Litter & Bedding Type

Cypress
4
Fluker's Hermit Beach Sand Substrate, 6-lb bag
Fluker's Hermit Beach Sand Substrate, 6-lb bag

Fluker's Hermit Beach Sand Substrate, 6-lb bag

Rated 4.7 out of 5 stars
147
$6.49 Chewy Price
($1.09/lb)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.6/5
Excellent

Moisture Retention

4.4/5
Great

Odor Control

4.5/5
Great

Substrate Material

4.6/5
Excellent

Is this hermit crab substrate right for my pet?

Litter & Bedding Type

Sand
5
Aqua Terra Aquarium & Terrarium Sand, Natural Tan, 5-lb bag
Aqua Terra Aquarium & Terrarium Sand, Natural Tan, 5-lb bag

Aqua Terra Aquarium & Terrarium Sand, Natural Tan, 5-lb bag

Rated 4.2 out of 5 stars
234
$5.49 Chewy Price
($1.10/lb)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.5/5
Great

Moisture Retention

4.1/5
Great

Odor Control

4.0/5
Great

Substrate Material

4.3/5
Great

Is this hermit crab substrate right for my pet?

Aquarium Type

Saltwater, Freshwater, Pond

Fish Type

Betta, Cichlid, Goldfish, Marine Fish...
6
Exo Terra Forest Moss Tropical Terrarium Reptile Substrate, 7-qt, 2 count
Exo Terra Forest Moss Tropical Terrarium Reptile Substrate, 7-qt, 2 count
Exo Terra Forest Moss Tropical Terrarium Reptile Substrate, 7-qt, 2 count

Exo Terra Forest Moss Tropical Terrarium Reptile Substrate, 7-qt, 2 count

Rated 4.4 out of 5 stars
153
$11.99 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.7/5
Excellent

Moisture Retention

4.5/5
Great

Odor Control

4.4/5
Great

Substrate Material

4.4/5
Great

Is this hermit crab substrate right for my pet?

Litter & Bedding Type

Moss
7
Zoo Med Eco Earth Loose Coconut Fiber Reptile Substrate, 24-qt bag
Zoo Med Eco Earth Loose Coconut Fiber Reptile Substrate, 24-qt bag
Zoo Med Eco Earth Loose Coconut Fiber Reptile Substrate, 24-qt bag
Zoo Med Eco Earth Loose Coconut Fiber Reptile Substrate, 24-qt bag

Zoo Med Eco Earth Loose Coconut Fiber Reptile Substrate, 24-qt bag

Rated 4.7 out of 5 stars
445
$25.99 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.7/5
Excellent

Moisture Retention

4.7/5
Excellent

Odor Control

4.7/5
Excellent

Substrate Material

4.7/5
Excellent

Is this hermit crab substrate right for my pet?

Litter & Bedding Type

Coconut Fiber
8
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag
Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag

Zoo Med Premium Repti Bark Natural Fir Reptile Bedding, 24-qt bag

Rated 4.8 out of 5 stars
370
$32.98 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.6/5
Excellent

Moisture Retention

4.5/5
Great

Odor Control

4.4/5
Great

Substrate Material

4.6/5
Excellent

Is this hermit crab substrate right for my pet?

Litter & Bedding Type

Douglas Fir
9
Frisco Fir Bark Reptile Bedding, 24-qt
Frisco Fir Bark Reptile Bedding, 24-qt
Frisco Fir Bark Reptile Bedding, 24-qt
Frisco Fir Bark Reptile Bedding, 24-qt
Frisco Fir Bark Reptile Bedding, 24-qt

Frisco Fir Bark Reptile Bedding, 24-qt

Rated 4.8 out of 5 stars
37
$23.56 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.7/5
Excellent

Moisture Retention

4.6/5
Excellent

Odor Control

4.8/5
Excellent

Substrate Material

4.5/5
Great

Is this hermit crab substrate right for my pet?

Material

Wood

Litter & Bedding Type

Douglas Fir
10
SunGrow Mini Catappa Frog & Gecko Leaf Litter, Bioactive Substrate for Reptile Vivarium, 50 count
SunGrow Mini Catappa Frog & Gecko Leaf Litter, Bioactive Substrate for Reptile Vivarium, 50 count
SunGrow Mini Catappa Frog & Gecko Leaf Litter, Bioactive Substrate for Reptile Vivarium, 50 count
SunGrow Mini Catappa Frog & Gecko Leaf Litter, Bioactive Substrate for Reptile Vivarium, 50 count
SunGrow Mini Catappa Frog & Gecko Leaf Litter, Bioactive Substrate for Reptile Vivarium, 50 count

SunGrow Mini Catappa Frog & Gecko Leaf Litter, Bioactive Substrate for Reptile Vivarium, 50 count

Rated 4.4 out of 5 stars
95
$5.97 Chewy Price
($0.12/ea)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Ease of Cleaning

4.3/5
Great

Moisture Retention

4.1/5
Great

Odor Control

4.0/5
Great

Substrate Material

4.1/5
Great

Is this hermit crab substrate right for my pet?

Material

Plant Material

Aquarium Type

Saltwater, Freshwater

Fish Type

Betta, Bottom Feeder, Cichlid, Goldfish...