SlipSlate
Tracks which boat is in which marina slip, flags size mismatches before you assign one.
SlipSlate replaces the marina whiteboard and spreadsheet with a date-aware slip map that checks a boat's length against a slip's rating before you assign it, so a 45ft boat can't land in a 40ft spot. Billing, invoices and Stripe payments are optional and off by default — turn them on and they run through your own Stripe account, with no percentage taken from rent. You send your current spreadsheet as a CSV, and SlipSlate targets a working map within five business days of complete data, or you can try a sandbox from just a sample export first.

What holds up
- +Checks a boat's length against the slip's rating before you assign it — no 45ft boat in a 40ft slot
- +Payments are optional and off by default — no percentage taken from rent if you turn them on
- +Export everything, any time — your data isn't locked into the app
- +Free sandbox preview from a sample export, no payment or contract required
Mind the limits
- −No pricing shown on the landing page — you have to book a demo to find out what it costs
- −The five-business-day map target only holds once your exported data is complete
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