Cost to own a deck boat in Guam
Example: the Starcraft 190 Dc Ob, 18' 11", at its published builder price of $57,042 (starcraftmarine.com). It is the middle-priced of 28 deck boat models with a published price ($27,024 – $98,932).
| Cost | Amount | Basis |
|---|---|---|
| Sales/use tax (once) | $0 | 0%: no general sales tax on consumers (aside from admissions, use and hotel occupancy taxes); businesses pay Business Privilege Tax on gross receipts. Cap: n/a. |
| Title (once) | not captured | Title fee not in our data; see the state source. |
| Registration (per year) | $45 | $45 every 1 yr (flat fee). |
| Maintenance (per year) | $5,704 | 10% of boat value, a rule of thumb from discoverboating.com; not a measured average. |
| Property tax | — | UNAVAILABLE: no official source found — not included in these totals. |
| At purchase (tax + title) | $0 | plus the boat price |
| Per year, sourced lines | $5,749 | about $479/month; partial |
Costs you add yourself
We have no official per-state figure for these, so they are not in the totals above.
- Storage: outdoor storage runs about $600 – $3,600 a year nationally (discoverboating.com, $/month × 12). Keeping it on a trailer at home can be $0.
- Insurance: no public premium data; get a quote. Insurance matcher
- Fuel: the Starcraft 190 Dc Ob holds 45 gal. No official or public marina-fuel dataset found. EIA on-road retail gasoline/diesel by region is a proxy only.
- Loan: these numbers assume cash. Add your rate and term in the calculator.
Run the full calculator for this boat
More: Guam boating rules · all deck boat models
Sources
- Registering agency: Guam Police Department, Recreational Boating Section
- gpd.guam.gov
- guamtax.com
- uscgboating.org
- Boat price and length: starcraftmarine.com
State rules checked 2026-11-05. Fees change; confirm with the agency. Calculated with the same engine as the true cost tool.