The survey, run by Ipsos MORI, is part of a national review, commended the homes for treating residents with kindness, dignity and respect.
Both homes provide specialist nursing and dementia care.
The Elms Care Home in Louth scored 845 out of 1,000 points for its overall performance with 100% of residents describing it as a safe, secure place to live.
The home scored 94% for residents' overall happiness and 94% of residents said staff understood them as an individual.
94%of residents also said they can take part in activities and hobbies if they want.
Aspen Lodge Care Home in Skegness topped achieved a score of 858 points for its overall performance.
95% of respondents said the staff understood them as an individual and that they were happy with the care they received.
Aspen Lodge also received a 96% satisfaction rating for being a safe secure place to live and for staff treating residents with kindness, dignity and respect.
Sam Jacob, regional managing director with Four Seasons Health Care, which operates the home, said:
"All the care team are delighted that in this independent national survey the residents at The Elms rated the home so highly.
"The survey outcome corresponds with the responses we have from Four Seasons' own Quality of Life programme.
"This enables residents, their relatives and care professionals to give us instant feedback on a day to day basis about any aspect of care quality by using iPads placed in the home with a touch-screen questionnaire linked to purpose designed software.
"We use the feedback to find and fix issues or niggles and to improve the residents' experience.
"This feedback has been recording an average of more than 96 per cent overall satisfaction rating across our homes in the region over recent months and this is improving month by month as the quality of life programme effects are felt."
Date published: 15 September 2017
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