---
title: "Pool Depth Markers — $10K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/pool-depth-markers"
last_updated: "2026-08-05T19:49:51.990Z"
locale: en
meta:
  description: "Niche score 60/100 · $10K/yr market · 13K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 60/100 · $10K/yr market · 13K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Pool Depth Markers — $10K/yr Amazon US Niche (2026) - Flapen"
---

# **pool depth markers**

**Worth a look**

Shows a thin review moat (60 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 3Growth 90Conversion 67Competition 66Returns 83Price range 62Avg price 61Brand share 18Review moat 97Quality gap 80

**Review moat**

**Incredible****60.13**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Great****+97.2%**

90-day search growth — must beat 0% to launch

**Returns**

**Great****1.6%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****6.1%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Good****46%**

top-5 click share — leaders hold, buyers still browse

**Price range**

**Good****$7.77–$27.02**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Good****$13.32**

avg listing price — sweet spot $15–$100

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$10K**

$10K/yr · 13K searches

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, pool depth markers is a $10K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 60/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **pool depth markers market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$20K–$27K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#60**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**2.6%**</dd>

<dt>**Avg brand age**</dt><dd>**49 months**</dd>

<dt>**Avg seller age**</dt><dd>**267 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▲rising

**Sellers**

**10**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**46%**

Top 20: 96%

**Open market**

**4%**

- MOLESS33% - Aquatic Custom Tile32% - AOOCY11% - wootile10% - SMARSTICKER7% - Sigo Signs3% - Open — no brand owns it (2 brands, 4%)

## **Demand & seasonality**

Weekly Amazon search volume, last 103 weeks — +97.2% search growth over the last 90 days.

500300Spike '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.0×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/pool-depth-markers/trend)

## **Top pool depth markers search terms**

- **pool depth markers**11K/yr+118.7%4.4% conv. - **aquatic custom tile**468/yr-20.9%0.0% conv. - **pool depth markers stickers for concrete**1K/yr-69.6%14.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/pool-depth-markers/search-terms)

## **Top pool depth markers products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$4208%$84012%$1K16%$2K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Aquatic Custom Tile 3FT Pool Depth Markers 6x6 Inches Vinyl Pool Stickers Swimming Pool Number Markers Pool Safety Signage Adhesive Pool Depth Marker Sticker for Decks MADE IN USA - (1 Pack)](https://m.media-amazon.com/images/I/61ZVkHzSj4L.jpg)**Aquatic Custom Tile 3FT Pool Depth Markers 6x6 Inches Vinyl Pool Stickers Swimming Pool Number Markers Pool Safety Signage Adhesive Pool Depth Marker Sticker for Decks MADE IN USA - (1 Pack)**Aquatic Custom Tile**$12.42**4.6★234 rev](https://www.amazon.com/dp/B07DQQRNFQ) [2![MOLESS 3FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 1 Pack](https://m.media-amazon.com/images/I/41RrBftLH0L.jpg)**MOLESS 3FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 1 Pack**MOLESS**$9.80**4.2★32 rev](https://www.amazon.com/dp/B0DZS6PDM2) [3![Aquatic Custom Tile 5FT Pool Depth Markers 6x6 Inches Vinyl Pool Stickers Swimming Pool Number Markers Pool Safety Signage Adhesive Pool Depth Markers Stickers for Decks Made in USA - (1 Pack)](https://m.media-amazon.com/images/I/61C7zVesItL.jpg)**Aquatic Custom Tile 5FT Pool Depth Markers 6x6 Inches Vinyl Pool Stickers Swimming Pool Number Markers Pool Safety Signage Adhesive Pool Depth Markers Stickers for Decks Made in USA - (1 Pack)**Aquatic Custom Tile**$12.42**4.6★173 rev](https://www.amazon.com/dp/B07H7P89L6) [4![6 Pieces Swimming No Diving Shallow Water Pool Warning Stickers](https://m.media-amazon.com/images/I/41hLjemRAPL.jpg)**6 Pieces Swimming No Diving Shallow Water Pool Warning Stickers**wootile**$9.07**1.3★4 rev](https://www.amazon.com/dp/B0F7L9XDW6) [5![MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack](https://m.media-amazon.com/images/I/41TTclxosGL.jpg)**MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack**MOLESS**$26.75**4.9★13 rev](https://www.amazon.com/dp/B0GJ8QZVKR)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack](https://m.media-amazon.com/images/I/41TTclxosGL.jpg)**MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack**MOLESS**$26.75**13 rev6mo ago](https://www.amazon.com/dp/B0GJ8QZVKR) [![MOLESS 3FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Stickers 3 Pack](https://m.media-amazon.com/images/I/41JxDTb6M4L.jpg)**MOLESS 3FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Stickers 3 Pack**MOLESS**$26.65**13 rev6mo ago](https://www.amazon.com/dp/B0GJ9KNVN4) [![MOLESS 5FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack](https://m.media-amazon.com/images/I/41VcxtNT2uL.jpg)**MOLESS 5FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack**MOLESS**$27.02**13 rev6mo ago](https://www.amazon.com/dp/B0GJ9MZJ2V) [![Jutom 4 Pcs 3 FT Pool Depth Markers 6 x 6 Inches Vinyl Adhesive Pool Stickers Swimming Number Markers Safety Signage for Decks](https://m.media-amazon.com/images/I/41rAPAssb9L.jpg)**Jutom 4 Pcs 3 FT Pool Depth Markers 6 x 6 Inches Vinyl Adhesive Pool Stickers Swimming Number Markers Safety Signage for Decks**Jutom**$16.31**5 rev1y ago](https://www.amazon.com/dp/B0F8HLDFSQ) [![6FT Pool Depth Stickers (2 Pack) Anti-Slip Vinyl Markers - 6x6 Inches Waterproof Safety Number Signage for Swimming Pool Decks](https://m.media-amazon.com/images/I/31yuiYhHnDL.jpg)**6FT Pool Depth Stickers (2 Pack) Anti-Slip Vinyl Markers - 6x6 Inches Waterproof Safety Number Signage for Swimming Pool Decks**AOOCY**$17.17**24 rev1y ago](https://www.amazon.com/dp/B0F8NGPP2K)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SmartSign 5 FT Pool Depth Marker 4 Letter Size 5.75 x 5.75 inches Vinyl Pool Sticker with Adhesive Anti-Skid Swimming Pool Number Markers Pool Safety Signage Made in USA](https://m.media-amazon.com/images/I/41AKJXzd23L.jpg)**SmartSign 5 FT Pool Depth Marker 4 Letter Size 5.75 x 5.75 inches Vinyl Pool Sticker with Adhesive Anti-Skid Swimming Pool Number Markers Pool Safety Signage Made in USA**SmartSign**$11.99**4.2★**▲ 167%**](https://www.amazon.com/dp/B07Q45555Z) [![MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack](https://m.media-amazon.com/images/I/41TTclxosGL.jpg)**MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack**MOLESS**$26.75**4.9★**▲ 165%**](https://www.amazon.com/dp/B0GJ8QZVKR) [![MOLESS 3FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Stickers 3 Pack](https://m.media-amazon.com/images/I/41JxDTb6M4L.jpg)**MOLESS 3FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Stickers 3 Pack**MOLESS**$26.65**4.9★**▲ 165%**](https://www.amazon.com/dp/B0GJ9KNVN4) [![MOLESS 5FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack](https://m.media-amazon.com/images/I/41VcxtNT2uL.jpg)**MOLESS 5FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 3 Pack**MOLESS**$27.02**4.9★**▲ 165%**](https://www.amazon.com/dp/B0GJ9MZJ2V) [![MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 1 Pack](https://m.media-amazon.com/images/I/416bJGq+8SL.jpg)**MOLESS 4FT Pool Depth Markers 6x6 Anti-Slip Vinyl Pool Sticker 1 Pack**MOLESS**$10.16**4.2★**▲ 115%**](https://www.amazon.com/dp/B0DZSGB48Q)

**~~View all trending →~~**

## **What buyers say about pool depth markers**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Adhesion/Stickiness**24%

*“I think it will have great adhesion if the surface is clean and smooth”*

**Durability**11%

*“Durable Vinyl Material”*

**Size-Overall**9%

*“Perfect size”*

**Design-Overall**7%

*“looks good”*

**Grip**7%

*“the anti-slip vinyl provides great traction for bare feet”*

**Quality-Overall**6%

*“Overall, I am happy with the quality of this depth marker”*

**Material Quality**4%

*“Made from durable vinyl”*

**Measurement/Reading Accuracy**4%

*“Its clearly readable from distance and looks good”*

**Instructions/User Manual/Troubleshooting**4%

*“Clear instructions”*

**Assembly/Installation**3%

*“Installation took a couple seconds”*

### **What buyers complain about **

**Adhesion/Stickiness**50%

*“Adhesive is not sticky it is easy to peel off so will be returning”*

**Durability**11%

*“Didnt last more than a couple weeks”*

**Value For Money**8%

*“Not worth it”*

**Quality-Overall**8%

*“garbage quality”*

**Water Resistance**4%

*“They are not water proof”*

**Thickness**4%

*“They were too thin to”*

**Size-Overall**3%

*“Its not much bigger”*

### **Top return reasons **

**Size-Overall**20%

**Color**18%

**Adhesion/Stickiness**15%

**Advertised Vs Actual Product**12%

**Material Quality**9%

**Grip**7%

**Functionality-Overall**5%

**Value For Money**3%

**Weight Heavy**2%

**Drop/Impact Protection**2%

## **Common questions**

<dl>

<dt>**Is pool depth markers profitable to sell on Amazon United States?**</dt><dd>The niche generates $10K/yr across 24 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +97.2%. Flapen's verdict: Worth a look (60/100).</dd>

<dt>**How competitive is the pool depth markers niche?**</dt><dd>8 brands and 10 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in pool depth markers?**</dt><dd>Top complaints mined from reviews: Adhesion/Stickiness, Durability, Value For Money. The return rate is 1.6%.</dd>

<dt>**When does demand for pool depth markers peak?**</dt><dd>Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.0× the quietest.</dd>

<dt>**What does it cost to enter the pool depth markers niche?**</dt><dd>Listings span $7.77–$27.02; the average listing price is $13.32 (sweet spot $15–$100). The average incumbent carries 60 reviews — the moat a new listing must climb.</dd>

</dl>

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