Cobalt boat dimensions
Length, length on the trailer, beam and height for 24 Cobalt boat models, from the maker's own spec pages and brochures. Every figure links back to its source and shows the date we last checked it. These figures are part of the Vehicle Storage Size Guide.
| Model | Type | Length | Length on trailer (boats) | Beam / width | Height | Source | Checked |
|---|---|---|---|---|---|---|---|
| 265 Coastal | sport boat | 26′ 8″ / 8.13 m | 29′ 8″ / 9.04 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| A29 | sport boat | 29′ 0″ / 8.84 m | 32′ 0″ / 9.75 m est. | 9′ 0″ / 2.74 m | no figure | cobaltboats.com | Nov 2, 2026 |
| CS22 | sport boat | 22′ 5″ / 6.83 m | 25′ 5″ / 7.75 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| CS23 | sport boat | 23′ 5″ / 7.14 m | 26′ 5″ / 8.05 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| CS23 Surf | sport boat | 23′ 5″ / 7.14 m | 26′ 5″ / 8.05 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R4 | sport boat | 24′ 3″ / 7.39 m | 27′ 3″ / 8.31 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R4 Coastal | sport boat | 24′ 3″ / 7.39 m | 27′ 3″ / 8.31 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R4 Surf | sport boat | 24′ 3″ / 7.39 m | 27′ 3″ / 8.31 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R8 | sport boat | 27′ 10″ / 8.48 m | 30′ 10″ / 9.40 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R8 Coastal | sport boat | 27′ 10″ / 8.48 m | 30′ 10″ / 9.40 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R8 Surf | sport boat | 27′ 10″ / 8.48 m | 30′ 10″ / 9.40 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R26 | sport boat | 26′ 5″ / 8.05 m | 29′ 5″ / 8.97 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R26 Surf | sport boat | 26′ 5″ / 8.05 m | 29′ 5″ / 8.97 m est. | 8′ 6″ / 2.59 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R31 | sport boat | 31′ 5″ / 9.58 m | 34′ 5″ / 10.49 m est. | 9′ 10″ / 3.00 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R31 Coastal | sport boat | 32′ 8″ / 9.96 m | 35′ 8″ / 10.87 m est. | 9′ 10″ / 3.00 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R31 Surf | sport boat | 31′ 5″ / 9.58 m | 34′ 5″ / 10.49 m est. | 9′ 10″ / 3.00 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R33 | sport boat | 33′ 4″ / 10.16 m | 36′ 4″ / 11.07 m est. | 10′ 6″ / 3.20 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R33 Coastal | sport boat | 33′ 4″ / 10.16 m | 36′ 4″ / 11.07 m est. | 10′ 6″ / 3.20 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R33 Surf | sport boat | 33′ 4″ / 10.16 m | 36′ 4″ / 11.07 m est. | 10′ 6″ / 3.20 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R35 | sport boat | 36′ 8″ / 11.18 mLength is 36′8″ (“Length Overall w/Extended Swim Platform”) or 35′4″ (“loa” and “Length Overall w/Swim Platform”). | 39′ 8″ / 12.09 m est. | 10′ 10″ / 3.30 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R35 Coastal | sport boat | 35′ 4″ / 10.77 m | 38′ 4″ / 11.68 m est. | 10′ 10″ / 3.30 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R35 Coastal Coupe | sport boat | 35′ 4″ / 10.77 m | 38′ 4″ / 11.68 m est. | 10′ 10″ / 3.30 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R35 Coupe | sport boat | 36′ 8″ / 11.18 mLength is 36′8″ (“Length Overall w/Extended Swim Platform”) or 35′4″ (“loa” and “Length Overall w/Swim Platform”). | 39′ 8″ / 12.09 m est. | 10′ 10″ / 3.30 m | no figure | cobaltboats.com | Nov 2, 2026 |
| R35 Surf | sport boat | 35′ 4″ / 10.77 m | 38′ 4″ / 11.68 m est. | 10′ 10″ / 3.30 m | no figure | cobaltboats.com | Nov 2, 2026 |
No figure means we don't have that number from the maker's own pages. We don't guess at it.
est. means we don't have a trailer length from the maker's own pages, so we've added 3 feet to the hull length. What "est." means
The methodology page explains where every number comes from and how we check it.
How to cite these numbers
To cite these numbers, please use:
RV Storage Depot, Vehicle Storage Size Guide: Cobalt, version 2026-11-03, guide.rvstoragedepot.com/boats/cobalt
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Last updated 2026-11-03. Specs: manufacturer published specifications, links in each row.