Mariella
- Builder
- William Fife & Sons
- Build year
- 1938
- LOA (m)
- 28.7
- Beam (m)
- 5.06
- Maximum draught (m)
- 3.8
- Gross tonnage (GT)
- 58
- Build country
- United Kingdom
- Completion date (source)
- 1938-01-01
- Hull type
- Mono hull
- Hull materials
- N/A
- Naval architects
- A. Mylne & Co
- Exterior designers
- A. Mylne & Co
- Maximum speed (source; unit unspecified)
- 9
- Range (source; unit unspecified)
- 700
- Reported guest count (accommodation unverified)
- 6
- Crew size
- 2
- Flag
- Antigua and Barbuda