At the lake house, the best afternoons start at the end of the dock: towels on the boards, a cooler in the shade, cousins daring each other to go first, and a splash every thirty seconds until dinner. A dock slide is what keeps that going all summer. Most are inflatable and strap to the dock in minutes; some float out in the lake like a mini water park; a few are permanent fiberglass slides you bolt down once. This guide compares the dock slides worth buying in 2026, what your dock and water need, and how to choose.
Prices change often. The prices below are what we saw at the maker or a major retailer in October 2026; check the current price before you buy.
Our top picks
Airhead Spillway
- 8 ft sliding surface
- 200 lb, 1 rider
- 1,000-denier reinforced PVC
Slide Island
- 300 lb in slide mode
- 10 ft 6 in drop-stitch
- Turns into a floating mat
Aquaglide Freefall 6
- 3 adults / 3 kids, 600 lb
- 6 ft water minimum
- Zero-entry slide
FunAir Inflatable Boat Dock Slide
- 4, 5 or 6 m
- For 13 to 21 ft dock heights
- Price on request
Goldco 12 ft Fiberglass Slide
- 12 ft slide, 6 ft platform
- Fiberglass
- Slide only, shipping extra
Dock slides compared
| Slide | Type | Size | Rider limit | About (Oct 2026) |
|---|---|---|---|---|
| Airhead Spillway | Inflatable, straps on | 10.5′ (8′ slide) | 200 lb, 1 rider | $550–605 |
| Slide Island | Drop-stitch, ties on | 10’6″ x 5’4″ | 300 lb | $749 |
| Paddle North Slide | Drop-stitch, ties on | 10′ x 3′ | Not stated | $399 (sale) |
| WOW Slide N Smile | Floating, 2 lanes | 108″ x 84″ x 50″ | Not stated | $275 |
| Aquaglide Freefall 6 | Floating, anchored | 13’4″ x 8′ x 6′ | 600 lb, 3 adults / 3 kids | $3,050–3,400 |
| FunAir Boat Dock Slide | Inflatable, two-story dock | 4, 5 or 6 m | Not stated | Quote |
| Goldco fiberglass | Permanent | 8–22 ft | 1 at a time | $625–2,305 |
The best dock slides
1. Airhead Spillway: best overall
Airhead (SportsStuff) calls the Spillway a dock slide, a boat slide and a pontoon slide, and it’s the sturdiest classic inflatable slide you can strap to a dock. It’s 10.5 ft long with an 8 ft sliding surface, 33 in wide and 54 in high, made of UV-treated 1,000-denier polyester-reinforced PVC with hot-air welded seams. Raised side chambers keep riders centered, and four molded steps and two handles make the climb easy. Airhead says it inflates and attaches in five minutes or less, and rates it for one rider up to 200 lb.
- Good: heavy-duty material; moves between dock and pontoon.
- Watch out: pump not included with the slide alone (Halkey-Roberts valve); Airhead doesn’t state a dock height range.
- Best for: family docks that see daily use.
Check the Airhead Spillway price on Amazon
2. Slide Island: best for adults
Lakesurf’s Slide Island is a drop-stitch slide rated to 300 lb in slide mode, the highest limit among the strap-on slides here. It’s 10’6″ x 5’4″, weighs 45 lb, and ties off at nine points with support straps that hold the angle. Unclip it and it becomes a floating mat for lazing beside the dock. A hand pump, carry case and repair kit are included.
- Good: wide, fast surface; foam steps; slide and mat in one.
- Watch out: hand pump only; 1-year warranty.
- Best for: docks where the grown-ups want a turn too.
Check the Slide Island price on Amazon
3. Paddle North Slide: lightest
At 24 lb, Paddle North’s high-pressure drop-stitch slide (10′ x 3′ x 8″) is easy to carry down to the water and rolls to about 3′ x 12″. Seven D-rings let you tether it to a dock, a boat, a pool edge or Paddle North’s Utility Dock, or let it float free. The pump is sold separately.
- Good: light and firm; often on sale.
- Watch out: no rider limit or water depth stated by the maker.
- Best for: cabins where the slide comes out on weekends and goes home after.
4. WOW Slide N Smile: best value for kids
WOW’s two-lane floating slide is over 9 ft long, 6 ft wide and about 4 ft tall (108 x 84 x 50 in), with inflatable side rails and bright graphics so boats can see the action. Two side grommets tie it to your dock, and a zipper system connects it to WOW’s water walkways and mats to build a bigger floating playground. WOW backs it with a 2-year warranty; we saw it at about $275.
- Good: two kids can race side by side; low price; expandable.
- Watch out: lighter-duty vinyl; WOW doesn’t state a rider limit on its page.
- Best for: younger kids and summer-rental docks.
Check the WOW Slide N Smile price on Amazon
5. Aquaglide Freefall 6: best floating lake slide
If you’d rather swim out to the fun, the Freefall 6 is a real water-park piece: a 13’4″ x 8′ x 6′ zero-entry slide for 3 adults and 3 children (600 lb max), made of 28 oz Duratex. It needs at least 6 ft of water, 10 ft from shore, and anchors totaling at least 1,100 lb. Anchors, lines and the pump are extra. It also connects to other Aquaglide park pieces. Aquaglide lists it at about $3,400; Amazon had it nearer $3,050.
- Good: several riders at once; 3-year warranty.
- Watch out: serious anchoring; no pump in the box.
- Best for: big families, camps and lakefront rentals.
Check the Aquaglide Freefall 6 price on Amazon
6. FunAir Inflatable Boat Dock Slide: for two-story docks
Got a boathouse with a sundeck on top? FunAir builds a big inflatable slide just for that, in three sizes by height from the upper railing to the water: 4 m for 13–15 ft, 5 m for 16–18 ft and 6 m for 19–21 ft. It’s yacht-slide material (1,000-denier PVC, stainless hardware, no-rot netting), weighs about 301 lb, and FunAir says it takes about 90 minutes to set up and at least four strong adults. It needs 50 in of railing width and at least 6 ft of clear water for 20 ft past the exit.
- Good: a real thrill ride from your own dock.
- Watch out: price by quote; lead time up to 45 days; a big setup job.
- Best for: two-story docks and boathouses.
See it at FunAir (price on request)
7. Permanent fiberglass dock slide: set it and forget it
No pumping, no straps: a fiberglass slide bolted to a raised platform stays put all season. Goldco Fiberglass in Utah makes slides it sells for docks, houseboats and decks, from an 8 ft slide for a 4 ft deck (about $625) to a 12 ft slide for a 6 ft platform (about $725) and up to 22 ft for an 11 ft deck (about $2,305). They’re slide-only: ladder, water spout and shipping are extra. Dock makers sell slides too, such as ShoreMaster’s 8 ft water slide (through dealers) and an EZ Dock-mounted slide from Waterside Dock Systems in Canada.
- Good: fast, durable, always ready.
- Watch out: you need a solid platform and mounting; shipping is quoted separately.
- Best for: lake homes that want a slide for years.
How to choose a dock slide
- Measure your dock height and water depth. Measure from the deck to the water and check the depth at the landing at low water. Bigger drops need deeper water: Aquaglide asks for 6 ft under the Freefall 6, and FunAir 6 ft for 20 ft past its dock slide.
- Strap-on, floating or permanent? Strap-on slides are cheapest and portable; floating slides keep swimmers away from the dock posts; fiberglass lasts for years but needs a platform.
- Check who will ride. Limits run from kids-only to 300 lb per rider (600 lb total on the Freefall 6).
- Budget for the extras. Pumps, anchors, mooring lines and ladders are often sold separately.
- Check the water first. Look for rocks, stumps and shallow spots around the landing, and keep boats away while people slide.
Building a full lake-house setup? See our guides to inflatable docks, floating mats and floating platforms, plus the best pontoon boat slides and the best inflatable boat slides.
Dock slide questions
How deep should the water be under a dock slide?
It depends on the slide and the dock height, so follow the maker’s number. For example, Aquaglide asks for 6 ft under the Freefall 6 and FunAir 6 ft under its two-story dock slide. If the maker doesn’t state one, err deeper.
How do you attach an inflatable slide to a dock?
With straps or ropes from the slide’s D-rings or tie-off points to solid parts of the dock, such as cleats, posts or railings. Pull them tight, check them before each session, and make sure the bottom of the slide can’t swing into a post.
What happened to the RAVE Dock Slide?
RAVE’s 9 ft inflatable Dock Slide, made for docks 12–30 in above the water, is no longer in RAVE’s slide lineup, and The Pond Guy lists it as discontinued. Leftover listings we saw were priced far above its old price, so we’d pick a current slide instead.
Can I leave a dock slide out all summer?
Fiberglass slides, yes. Inflatables are UV-treated but last longer if you deflate them or bring them in during storms and long stretches away. Floating slides like the Freefall 6 are designed to stay anchored, but check the anchors and straps often.
Can a floating slide attach to a water trampoline?
Yes, with the right attachment. RAVE’s Aqua Slide (about $950) straps onto its Aqua Jump and Bongo trampolines and needs 10 ft of water, and Aquaglide’s Plunge slide (about $980) fits trampolines with 35–40 in tubes and needs 8 ft.