High-water SMS text alerts—right from your boat—before a small leak becomes a big bill.
Installs in minutes. Texts up to 5 contacts. Works wherever you have cellular coverage.
How it works
Simple steps to protect your weekend (and your hull).
Mount & connect to 12V
Mount in a dry spot, connect to your boat’s 12V system, and wire the high-water float switch.
Add alert contacts
Use our quick setup to add up to five phone numbers for SMS text alerts. Cellular service details will be confirmed before orders reopen.
Get the text
When the float rises, Sea Dragon Alert sends SMS text alerts immediately—no app required.
What’s in the box
- Sea Dragon Alert module
- Pre-terminated wiring pigtail
- Adhesive-mount cellular antenna
- Mounting kit + quick start
You provide: 12V power and a high-water float switch.
Wiring at a glance
Simple 12V hookup with labeled leads, inline fuse, and float-switch loop.
Connect to your vessel’s 12V system and wire the high-water float switch. When the switch closes, an SMS text is sent instantly.
Sea Dragon Alert orders are temporarily paused
We are working to establish a reliable cellular service option for new devices. We are not accepting orders or payments right now, and do not have a date for reopening sales.
Annual billing option
Details and pricing will be confirmed before orders reopen.
- SMS text alerts to up to 5 contacts
- Test & acknowledge commands
Monthly billing option
Details and pricing will be confirmed before orders reopen.
- SMS text alerts to up to 5 contacts
- Test & acknowledge commands
Custom solutions
Tailored hardware + service
- Built-to-spec systems (hardware & firmware)
- API & webhook integration
- Custom sensors & inputs (e.g., secondary float, pump current, GPS)
Joining the waiting list is free, does not reserve a device, and does not commit you to a purchase.