3D structure scan
Build a visual terrain view of depth changes, ledges, holes, and underwater contours instead of reading flat sonar signals alone.
Portable 3D sonar for lure anglers
See below. Catch above.
Stop casting blind. Kastave turns unknown water into a 3D structure map, helping lure anglers find drop-offs, grass edges, rock piles, and high-value casting zones before the first cast.
$1 locks your Founder Batch spot.
First 100 reservations get $100 credit toward the planned $699 launch price.
3D
structure scan
AI Spots
drop-offs, grass, rocks
IP67
drop in and auto scan
Early field proof
Real testers. Real water. Better structure decisions.
The fastest way to believe the scan is to see what happened when anglers used it to stop guessing and focus on high-value water.
Why it matters
Traditional fish finders show echoes. Kastave shows shape.
Reading underwater structure is what separates random casting from confident decisions. Kastave is built for anglers who want to understand the bottom, not just watch a scrolling line.
Find the drop-off before the first cast
Separate fish-holding cover from dead water
Spend more time fishing the right lane
Core functions
Turn unknown water into lure-fishing decisions.
Kastave is designed around the way lure anglers search water: scan the area, identify structure, mark high-value targets, and cast with a clearer plan.
AI structure points
Surface likely casting targets such as drop-offs, grass edges, submerged wood, rock piles, and deeper holding zones.
Auto scan workflow
Drop Kastave into the water and let it scan the area so bank, kayak, and small-boat anglers can start faster.
Mobile map history
View scans on your phone, save productive water, and return to structure that matched real bites on later trips.
Phone-first scanning
Read depth, coverage, battery, and 3D structure from the bank.
The app view is built to answer the questions lure anglers ask before casting: how deep is this lane, where does the bottom drop, where does cover begin, and which part of the water deserves the next cast.
- Switch between 2D map and 3D structure view
- Track depth range, water temperature, battery, and scan coverage
- Mark fish signals and structure changes for repeatable spots
Structure intelligence
Find the places fish use, not just the dots on a screen.
Kastave highlights the structure that matters for lure fishing: drop-offs for ambush routes, grass edges for cover, submerged wood for holding fish, rock piles for feeding areas, and deep holes for high-reward casts.
- Separate safe casts from high-risk snag zones
- Identify productive structure zones before fan casting
- Use AI structure points to plan smarter search routes
Product comparison
Compare fishing sonar solutions.
Portable sonar shows depth. Boat systems are powerful but expensive. Kastave is built for lure anglers who need structure fast without a complex install.
Kastave advantage
See the structure. Pick the cast.
Other sonar options give you readings. Kastave turns the scan into a 3D structure map with AI-marked casting targets.
3D bottom view
Drop-offs, holes, grass edges, rock piles
No boat install
Drop in, auto scan, read from your phone
AI structure points
Highlights where to cast next
Portable sonar
Checks depth
Boat-mounted sonar
Requires a serious setup
Kastave
Shows where to cast next
Portable sonar
Compact cast-and-retrieve sonar for quick depth checks.
Premium boat-mounted sonar
Powerful installed systems built for dedicated boat setups.
Kastave
Smart fishing boat system for 3D structure reading and lure decisions.
Auto scan
IP67
AI structure points
| Feature | Portable sonar | Premium boat-mounted sonar | Kastave |
|---|---|---|---|
| Price | From $209.99 | $2,000+ setup | $699 target launch price |
| Waterproof rating | Water-ready | IPX7 waterproof only | IP67 dustproof + waterproof |
| Ease of use | Cast and retrieve | Boat install required | Drop in and auto scan |
| Technology | CHIRP sonar | CHIRP + side imaging | 3D sonar + CHIRP + multibeam |
| Sonar visualization | App sonar + depth maps | Dedicated pro display | 3D sonar + AI structure points |
Lure fishing scenarios
Built for the water lure anglers actually search.
From seawalls and bridges to shallow weed edges and rocky river runs, Kastave helps anglers read structure before choosing the next cast.
Early tester feedback
When testers found better structure, the fish followed.
Kastave does not guarantee a catch. It gives anglers a clearer read on structure, risk zones, and high-value casting water before they commit a cast.
Field note 01
Two quality bass after targeting structure in wet conditions.
Early testers used Kastave to narrow the search area, then focused casts around structure changes instead of blind-covering the whole bank.
Limited-time early-bird
Reserve your Founder Batch Kastave spot for $1.
Your $1 reservation holds a priority place before launch and unlocks a $100 early-backer credit toward the planned $699 launch price.
Founder Batch reservation window
100 spots only
When the first batch is filled, the $100 early-bird credit may close.
Only 100 first-batch early-bird spots.
The $100 launch credit is tied to this first batch and may not be available after these spots are claimed.
- Pay $1 today to hold your early-bird place.
- Limited to the first 100 reservations in this launch batch.
- Save $100 later when Kastave opens for final purchase.
- No automatic $699 charge. We email you before final checkout.
- Refundable before launch if you change your mind.
Secure checkout
Stripe or PayPal
Early access
Limited to 100 spots
Launch updates
Sent by email
Reservation checkout
Reserve Kastave for $1
$1 today reserves one of 100 first-batch early-bird spots and unlocks $100 credit. No automatic $699 charge.
Refundable before launch
No automatic final charge
Updates from info@kastave.com
Kastave Early-Bird Reservation
$1
After payment, you will receive confirmation by email. This reservation is not the final product purchase.
Not ready to reserve?
Get prototype updates and launch timing without paying today.
Join the free waitlist
Roadmap
From field prototype to Kickstarter launch
Now
Field testing and founder reservations
Validate 3D structure mapping, app workflow, waterproof performance, and early-backer demand with real lure anglers.
Late 2026
100 Founder Edition units
Deliver the first 100 founder-version units to early supporters and collect structured field feedback before mass production.
Mid 2027
Mass production and Kickstarter
Move into formal production planning, launch the Kickstarter campaign, and open broader availability after founder feedback is reviewed.
Questions
Pre-order FAQ
What does the $1 reservation include?
Your $1 reservation holds one first-batch early-bird spot and unlocks a $100 credit toward the planned $699 launch price when final purchase opens.
Will I be charged $699 automatically?
No. The $1 reservation is not the final product purchase. We will email you before final checkout, and you can decide whether to complete the order.
Is the $1 reservation refundable?
Yes. The reservation is refundable before final payment collection if you change your mind before launch.
Why is the early-bird credit limited?
The $100 credit is tied to the first 100 launch reservations. After those first-batch spots are claimed, the early-bird credit may no longer be available.
How is Kastave different from 2D fish finders?
Traditional 2D sonar shows signals that anglers still need to interpret. Kastave is designed to turn underwater readings into a clearer 3D structure view for lure-fishing decisions.
What fishing situations is Kastave built for?
Kastave is built for lure anglers searching banks, seawalls, canals, rocky shorelines, grass edges, drop-offs, submerged wood, and other structure-focused water.
Does Kastave help guarantee bigger fish?
No device can guarantee a catch. Kastave helps you read structure more clearly so you can choose better casting targets and reduce blind searching.
Does Kastave need a phone app?
Yes. The intended workflow pairs the device with a mobile app for 3D scan viewing, saved maps, structure points, and trip history.
Can I use Kastave from the bank, kayak, or small boat?
Yes. Kastave is designed as a portable scan system for bank anglers, kayak anglers, and small-boat users who want structure information without a complex installed setup.
When will the first batch ship?
We are currently validating field performance, app workflow, and production planning. Early backers will receive launch updates before final payment and fulfillment.
Where will you ship?
Shipping regions will be confirmed before final checkout based on logistics, taxes, and support coverage. Early backers will receive updates as launch details are finalized.
Which payment methods can I use for the reservation?
You can reserve through Stripe or PayPal using the checkout buttons on this page.