EX-8.1

Exhibit 8.1

[FORM OF OPINION OF FRIED, FRANK, HARRIS, SHRIVER & JACOBSON LLP]

, 2018

Navios Maritime Containers L.P.

7 Avenue de Grande Bretagne, Office l1B2

Monte Carlo, MC 98000 Monaco

Ladies and Gentlemen:

We have acted as United States counsel to Navios Maritime Containers L.P., a limited partnership formed under the laws of the Marshall Islands (the “Partnership”), in connection with the Registration Statement on Form F-1 (File No. 333-225677), as filed with the United States Securities and Exchange Commission (the “Commission”) on , 2018, as thereafter amended or supplemented (the “Registration Statement”), with respect to the public offering of up to of the Partnership’s common units (the “Common Units”).

In connection with this opinion, we have reviewed the Registration Statement. In addition, we have examined originals or certified, conformed, electronic, photostatic or reproduction copies of such agreements, instruments, documents and records of the Company, such certificates of public officials and such other documents, received such information from officers and representatives of the Company and others, and made such other and further inquiries, in each case, as we have deemed necessary or appropriate for the purposes of this opinion.

In all such examinations, we have assumed the legal capacity of all natural persons, the genuineness of all signatures, the authenticity of original and certified documents and the conformity to original or certified documents of all copies submitted to us as conformed, facsimile, electronic or reproduction copies. We have relied upon the statements, representations and other information contained in the Registration Statement or otherwise received from officers or other appropriate representatives of the Company and others, and assumed that such representations, statements and other information are accurate and complete in all material respects. We have not, however, undertaken any independent investigation of any of the foregoing.

Based upon the foregoing, and in reliance thereon, and subject to the assumptions, qualifications and limitations set forth herein and in the Registration Statement, (i) we hereby confirm that the discussion under the caption “Material U.S. Federal Income Tax Considerations,” unless otherwise noted therein, is our opinion insofar as it relates to matters of U.S. federal income tax law and legal conclusions with respect to those matters and (ii) we hereby confirm our opinion set forth in the Registration Statement under the caption “Material U.S. Federal Income Tax Considerations—U.S. Federal Income Taxation of U.S. Holders—PFIC Status and Significant Tax Consequences.”